# 150 Practice Problems & Solutions

## Exercises

**1.** Write a Python program to print the following string in a specific format (see the output). [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Sample String :* "Twinkle, twinkle, little star, How I wonder what you are! Up above the world so high, Like a diamond in the sky. Twinkle, twinkle, little star, How I wonder what you are" *Output :*

```
Twinkle, twinkle, little star,    How I wonder what you are!         Up above the world so high,                   Like a diamond in the sky. Twinkle, twinkle, little star,     How I wonder what you are
```

​[Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-1.php)​

**2.** Write a Python program to get the Python version you are using. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-2.php)​

**3.** Write a Python program to display the current date and time. *Sample Output :* Current date and time : 2014-07-05 14:34:14 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-3.php)​

**4.** Write a Python program which accepts the radius of a circle from the user and compute the area. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Sample Output :* r = 1.1 Area = 3.8013271108436504 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-4.php)​

**5.** Write a Python program which accepts the user's first and last name and print them in reverse order with a space between them. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-5.php)​

**6.** Write a Python program which accepts a sequence of comma-separated numbers from user and generate a list and a tuple with those numbers. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Sample data :* 3, 5, 7, 23 *Output :* List : \['3', ' 5', ' 7', ' 23'] Tuple : ('3', ' 5', ' 7', ' 23') [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-6.php)​

**7.** Write a Python program to accept a filename from the user and print the extension of that. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Sample filename :* abc.java *Output :* java [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-7.php)​

**8.** Write a Python program to display the first and last colors from the following list. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) color\_list = \["Red","Green","White" ,"Black"] [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-8.php)​

**9.** Write a Python program to display the examination schedule. (extract the date from exam\_st\_date). [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) exam\_st\_date = (11, 12, 2014) Sample Output : The examination will start from : 11 / 12 / 2014 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-9.php)​

**10.** Write a Python program that accepts an integer (n) and computes the value of n+nn+nnn. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Sample value of n is* 5 *Expected Result :* 615 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-10.php)​

**11.** Write a Python program to print the documents (syntax, description etc.) of Python built-in function(s). *Sample function* : abs() *Expected Result* : abs(number) -> number Return the absolute value of the argument. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-11.php)​

**12.** Write a Python program to print the calendar of a given month and year. *Note :* Use 'calendar' module. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-12.php)​

**13.** Write a Python program to print the following 'here document'. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Sample string* : a string that you "don't" have to escape This is a ....... multi-line heredoc string --------> example [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-13.php)​

**14.** Write a Python program to calculate number of days between two dates. *Sample dates* : (2014, 7, 2), (2014, 7, 11) *Expected output* : 9 days [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-14.php)​

**15.** Write a Python program to get the volume of a sphere with radius 6. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-15.php)​

**16.** Write a Python program to get the difference between a given number and 17, if the number is greater than 17 return double the absolute difference. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-16.php)​

**17.** Write a Python program to test whether a number is within 100 of 1000 or 2000. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-17.php)​

**18.** Write a Python program to calculate the sum of three given numbers, if the values are equal then return three times of their sum. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-18.php)​

**19.** Write a Python program to get a new string from a given string where "Is" has been added to the front. If the given string already begins with "Is" then return the string unchanged. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-19.php)​

**20.** Write a Python program to get a string which is n (non-negative integer) copies of a given string. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-20.php)​

**21.** Write a Python program to find whether a given number (accept from the user) is even or odd, print out an appropriate message to the user. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-21.php)​

**22.** Write a Python program to count the number 4 in a given list. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-22.php)​

**23.** Write a Python program to get the n (non-negative integer) copies of the first 2 characters of a given string. Return the n copies of the whole string if the length is less than 2. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-23.php)​

**24.** Write a Python program to test whether a passed letter is a vowel or not. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-24.php)​

**25.** Write a Python program to check whether a specified value is contained in a group of values. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Test Data* : 3 -> \[1, 5, 8, 3] : True -1 -> \[1, 5, 8, 3] : False

​[Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-25.php)​

**26.** Write a Python program to create a histogram from a given list of integers. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-26.php)​

**27.** Write a Python program to concatenate all elements in a list into a string and return it. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-27.php)​

**28.** Write a Python program to print all even numbers from a given numbers list in the same order and stop the printing if any numbers that come after 237 in the sequence. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Sample numbers list* :

```
numbers = [        386, 462, 47, 418, 907, 344, 236, 375, 823, 566, 597, 978, 328, 615, 953, 345,     399, 162, 758, 219, 918, 237, 412, 566, 826, 248, 866, 950, 626, 949, 687, 217,     815, 67, 104, 58, 512, 24, 892, 894, 767, 553, 81, 379, 843, 831, 445, 742, 717,     958,743, 527    ]
```

​[Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-28.php)​

**29.** Write a Python program to print out a set containing all the colors from color\_list\_1 which are not present in color\_list\_2. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Test Data* : color\_list\_1 = set(\["White", "Black", "Red"]) color\_list\_2 = set(\["Red", "Green"]) *Expected Output* : {'Black', 'White'} [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-29.php)​

**30.** Write a Python program that will accept the base and height of a triangle and compute the area. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-30.php)​

**31.** Write a Python program to compute the greatest common divisor (GCD) of two positive integers. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-31.php)​

**32.** Write a Python program to get the least common multiple (LCM) of two positive integers. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-32.php)​

**33.** Write a Python program to sum of three given integers. However, if two values are equal sum will be zero. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-33.php)​

**34.** Write a Python program to sum of two given integers. However, if the sum is between 15 to 20 it will return 20. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) ​[Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-34.php)​

**35.** Write a Python program that will return true if the two given integer values are equal or their sum or difference is 5. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-35.php)​

**36.** Write a Python program to add two objects if both objects are an integer type. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-36.php)​

**37.** Write a Python program to display your details like name, age, address in three different lines. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-37.php)​

**38.** Write a Python program to solve (x + y) \* (x + y). [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Test Data* : x = 4, y = 3 *Expected Output* : (4 + 3) ^ 2) = 49 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-38.php)​

**39.** Write a Python program to compute the future value of a specified principal amount, rate of interest, and a number of years. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) *Test Data* : amt = 10000, int = 3.5, years = 7 *Expected Output* : 12722.79 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-39.php)​

**40.** Write a Python program to compute the distance between the points (x1, y1) and (x2, y2). [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-40.php)​

**41.** Write a Python program to check whether a file exists. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-41.php)​

**42.** Write a Python program to determine if a Python shell is executing in 32bit or 64bit mode on OS. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-42.php)​

**43.** Write a Python program to get OS name, platform and release information. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-43.php)​

**44.** Write a Python program to locate Python site-packages. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-44.php)​

**45.** Write a python program to call an external command in Python. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-45.php)​

**46.** Write a python program to get the path and name of the file that is currently executing. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-46.php)​

**47.** Write a Python program to find out the number of CPUs using. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-47.php)​

**48.** Write a Python program to parse a string to Float or Integer. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-48.php)​

**49.** Write a Python program to list all files in a directory in Python. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-49.php)​

**50.** Write a Python program to print without newline or space. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-50.php)​

**51.** Write a Python program to determine profiling of Python programs. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Note: A profile is a set of statistics that describes how often and for how long various parts of the program executed. These statistics can be formatted into reports via the pstats module. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-51.php)​

**52.** Write a Python program to print to stderr. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-52.php)​

**53.** Write a python program to access environment variables. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-53.php)​

**54.** Write a Python program to get the current username [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-54.php)​

**55.** Write a Python to find local IP addresses using Python's stdlib [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-55.php)​

**56.** Write a Python program to get height and width of the console window. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-56.php)​

**57.** Write a Python program to get execution time for a Python method. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-57.php)​

**58.** Write a Python program to sum of the first n positive integers. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-58.php)​

**59.** Write a Python program to convert height (in feet and inches) to centimeters. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-59.php)​

**60.** Write a Python program to calculate the hypotenuse of a right angled triangle. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-60.php)​

**61.** Write a Python program to convert the distance (in feet) to inches, yards, and miles. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-61.php)​

**62.** Write a Python program to convert all units of time into seconds. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-62.php)​

**63.** Write a Python program to get an absolute file path. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-63.php)​

**64.** Write a Python program to get file creation and modification date/times. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-64.php)​

**65.** Write a Python program to convert seconds to day, hour, minutes and seconds. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-65.php)​

**66.** Write a Python program to calculate body mass index. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-66.php)​

**67.** Write a Python program to convert pressure in kilopascals to pounds per square inch, a millimeter of mercury (mmHg) and atmosphere pressure. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-67.php)​

**68.** Write a Python program to calculate the sum of the digits in an integer. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-68.php)​

**69.** Write a Python program to sort three integers without using conditional statements and loops. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-69.php)​

**70.** Write a Python program to sort files by date. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-70.php)​

**71.** Write a Python program to get a directory listing, sorted by creation date. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-71.php)​

**72.** Write a Python program to get the details of math module. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-72.php)​

**73.** Write a Python program to calculate midpoints of a line. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-73.php)​

**74.** Write a Python program to hash a word. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-74.php)​

**75.** Write a Python program to get the copyright information and write Copyright information in Python code. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-75.php)​

**76.** Write a Python program to get the command-line arguments (name of the script, the number of arguments, arguments) passed to a script. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-76.php)​

**77.** Write a Python program to test whether the system is a big-endian platform or little-endian platform. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-77.php)​

**78.** Write a Python program to find the available built-in modules. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-78.php)​

**79.** Write a Python program to get the size of an object in bytes. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-79.php)​

**80.** Write a Python program to get the current value of the recursion limit. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-80.php)​

**81.** Write a Python program to concatenate N strings. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-81.php)​

**82.** Write a Python program to calculate the sum of all items of a container (tuple, list, set, dictionary). [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-82.php)​

**83.** Write a Python program to test whether all numbers of a list is greater than a certain number. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-83.php)​

**84.** Write a Python program to count the number occurrence of a specific character in a string. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-84.php)​

**85.** Write a Python program to check whether a file path is a file or a directory. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-85.php)​

**86.** Write a Python program to get the ASCII value of a character. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-86.php)​

**87.** Write a Python program to get the size of a file. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-87.php)​

**88.** Given variables x=30 and y=20, write a Python program to print "30+20=50". [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-88.php)​

**89.** Write a Python program to perform an action if a condition is true. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Given a variable name, if the value is 1, display the string "First day of a Month!" and do nothing if the value is not equal. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-89.php)​

**90.** Write a Python program to create a copy of its own source code. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-90.php)​

**91.** Write a Python program to swap two variables. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-91.php)​

**92.** Write a Python program to define a string containing special characters in various forms. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-92.php)​

**93.** Write a Python program to get the Identity, Type, and Value of an object. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-93.php)​

**94.** Write a Python program to convert a byte string to a list of integers. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-94.php)​

**95.** Write a Python program to check whether a string is numeric. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-95.php)​

**96.** Write a Python program to print the current call stack. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-96.php)​

**97.** Write a Python program to list the special variables used within the language. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-97.php)​

**98.** Write a Python program to get the system time. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR)​

Note : The system time is important for debugging, network information, random number seeds, or something as simple as program performance. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-98.php)​

**99.** Write a Python program to clear the screen or terminal. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-99.php)​

**100.** Write a Python program to get the name of the host on which the routine is running. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-100.php)​

**101.** Write a Python program to access and print a URL's content to the console. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-101.php)​

**102.** Write a Python program to get system command output. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-102.php)​

**103.** Write a Python program to extract the filename from a given path. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-103.php)​

**104.** Write a Python program to get the effective group id, effective user id, real group id, a list of supplemental group ids associated with the current process. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Note: Availability: Unix. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-104.php)​

**105.** Write a Python program to get the users environment. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-105.php)​

**106.** Write a Python program to divide a path on the extension separator. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-106.php)​

**107.** Write a Python program to retrieve file properties. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-107.php)​

**108.** Write a Python program to find path refers to a file or directory when you encounter a path name. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-108.php)​

**109.** Write a Python program to check if a number is positive, negative or zero. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-109.php)​

**110.** Write a Python program to get numbers divisible by fifteen from a list using an anonymous function. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-110.php)​

**111.** Write a Python program to make file lists from current directory using a wildcard. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-111.php)​

**112.** Write a Python program to remove the first item from a specified list. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-112.php)​

**113.** Write a Python program to input a number, if it is not a number generates an error message. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-113.php)​

**114.** Write a Python program to filter the positive numbers from a list. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-114.php)​

**115.** Write a Python program to compute the product of a list of integers (without using for loop). [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-115.php)​

**116.** Write a Python program to print Unicode characters. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-116.php)​

**117.** Write a Python program to prove that two string variables of same value point same memory location. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-117.php)​

**118.** Write a Python program to create a bytearray from a list. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-118.php)​

**119.** Write a Python program to round a floating-point number to specified number decimal places. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-119.php)​

**120.** Write a Python program to format a specified string limiting the length of a string. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-120.php)​

**121.** Write a Python program to determine whether variable is defined or not. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-121.php)​

**122.** Write a Python program to empty a variable without destroying it. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR)​

Sample data: n=20 d = {"x":200} Expected Output : 0 {}

​[Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-122.php)​

**123.** Write a Python program to determine the largest and smallest integers, longs, floats. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-123.php)​

**124.** Write a Python program to check whether multiple variables have the same value. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-124.php)​

**125.** Write a Python program to sum of all counts in a collections.[Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-125.php)​

**126.** Write a Python program to get the actual module object for a given object. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-126.php)​

**127.** Write a Python program to check whether an integer fits in 64 bits. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-127.php)​

**128.** Write a Python program to check whether lowercase letters exist in a string. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-128.php)​

**129.** Write a Python program to add leading zeroes to a string. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-129.php)​

**130.** Write a Python program to use double quotes to display strings. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-130.php)​

**131.** Write a Python program to split a variable length string into variables. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-131.php)​

**132.** Write a Python program to list home directory without absolute path. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-132.php)​

**133.** Write a Python program to calculate the time runs (difference between start and current time) of a program. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-133.php)​

**134.** Write a Python program to input two integers in a single line. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-134.php)​

**135.** Write a Python program to print a variable without spaces between values. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Sample value : x =30 Expected output : Value of x is "30" [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-135.php)​

**136.** Write a Python program to find files and skip directories of a given directory. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-136.php)​

**137.** Write a Python program to extract single key-value pair of a dictionary in variables. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-137.php)​

**138.** Write a Python program to convert true to 1 and false to 0. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-138.php)​

**139.** Write a Python program to valid a IP address. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-139.php)​

**140.** Write a Python program to convert an integer to binary keep leading zeros. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Sample data : x=12 Expected output : 00001100 0000001100 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-140.php)​

**141.** Write a python program to convert decimal to hexadecimal. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Sample decimal number: 30, 4 Expected output: 1e, 04 [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-141.php)​

**142.** Write a Python program to find the operating system name, platform and platform release date. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Operating system name: posix Platform name: Linux Platform release: 4.4.0-47-generic [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-142.php)​

**143.** Write a Python program to determine if the python shell is executing in 32bit or 64bit mode on operating system. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-143.php)​

**144.** Write a Python program to check whether variable is integer or string. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-144.php)​

**145.** Write a Python program to test if a variable is a list or tuple or a set. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-145.php)​

**146.** Write a Python program to find the location of Python module sources. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-146.php)​

**147.** Write a Python function to check whether a number is divisible by another number. Accept two integers values form the user. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-147.php)​

**148.** Write a Python function to find the maximum and minimum numbers from a sequence of numbers. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) Note: Do not use built-in functions. [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-148.php)​

**149.** Write a Python function that takes a positive integer and returns the sum of the cube of all the positive integers smaller than the specified number. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-149.php)​

**150.** Write a Python function to check whether a distinct pair of numbers whose product is odd present in a sequence of integer values. [Go to the editor](https://www.w3resource.com/python-exercises/python-basic-exercises.php#EDITOR) [Click me to see the sample solution](https://www.w3resource.com/python-exercises/python-basic-exercise-150.php)