Python Functions Exercises Practice Solution W3resource

Kenji Sato

-Apr 6, 2026, 8:21 AM

python functions exercises practice solution w3resource

Python Basic (Part -I) - Exercises, Practice, Solution Python Basic Exercises for Beginners This resource offers a total of 750 Python Basic problems for practice. It includes 150 main exercises, each accompanied by solutions, detailed explanations, and four related problems. [An editor is available at the bottom of the page to write and execute the scripts. Go to the editor ] 1. Formatted Twinkle Poem Write a Python program to print the following string in a specific format (see the output).

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 2.

Python Version Checker Write a Python program to find out what version of Python you are using. Click me to see the sample solution 3. Current DateTime Display 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 4. Circle Area Calculator Write a Python program that calculates the area of a circle based on the radius entered by the user.

Sample Output : r = 1.1 Area = 3.8013271108436504 Click me to see the sample solution 5. Reverse Full Name Write a Python program that accepts the user's first and last name and prints them in reverse order with a space between them. Click me to see the sample solution 6. List and Tuple Generator Write a Python program that accepts a sequence of comma-separated numbers from the user and generates a list and a tuple of those numbers.

Sample data : 3, 5, 7, 23 Output : List : ['3', ' 5', ' 7', ' 23'] Tuple : ('3', ' 5', ' 7', ' 23') Click me to see the sample solution 7. File Extension Extractor Write a Python program that accepts a filename from the user and prints the extension of the file. Sample filename : abc.java Output : java Click me to see the sample solution 8. First and Last Colors Write a Python program to display the first and last colors from the following list.

color_list = ["Red","Green","White" ,"Black"] Click me to see the sample solution 9. Exam Schedule Formatter Write a Python program to display the examination schedule. (extract the date from exam_st_date). exam_st_date = (11, 12, 2014) Sample Output : The examination will start from : 11 / 12 / 2014 Click me to see the sample solution 10. Number Expansion Calculator Write a Python program that accepts an integer (n) and computes the value of n+nn+nnn.

Sample value of n is 5 Expected Result : 615 Click me to see the sample solution 11. Function Documentation Printer 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 12. Monthly Calendar Display Write a Python program that prints the calendar for a given month and year. Note : Use 'calendar' module.

Click me to see the sample solution 13. Multi-line Here Document Write a Python program to print the following 'here document'. 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 14. Days Between Dates Write a Python program to calculate the 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 15.

Sphere Volume Calculator Write a Python program to get the volume of a sphere with radius six. Click me to see the sample solution 16. Difference from 17 Write a Python program to calculate the difference between a given number and 17. If the number is greater than 17, return twice the absolute difference. Click me to see the sample solution 17. Number Range Tester Write a Python program to test whether a number is within 100 of 1000 or 2000. Click me to see the sample solution 18.

Triple Sum Calculator Write a Python program to calculate the sum of three given numbers. If the values are equal, return three times their sum. Click me to see the sample solution 19. Prefix "Is" String Modifier Write a Python program to get a newly-generated string from a given string where "Is" has been added to the front. Return the string unchanged if the given string already begins with "Is". Click me to see the sample solution 20.

String Copy Generator Write a Python program that returns a string that is n (non-negative integer) copies of a given string. Click me to see the sample solution 21. Even or Odd Checker Write a Python program that determines whether a given number (accepted from the user) is even or odd, and prints an appropriate message to the user. Click me to see the sample solution 22. Count 4 in List Write a Python program to count the number 4 in a given list.

Click me to see the sample solution 23. String Prefix Copies Write a Python program to get n (non-negative integer) copies of the first 2 characters of a given string. Return n copies of the whole string if the length is less than 2. Click me to see the sample solution 24. Vowel Tester Write a Python program to test whether a passed letter is a vowel or not. Click me to see the sample solution 25.

Value in Group Tester Write a Python program that checks whether a specified value is contained within a group of values. Test Data : 3 -> [1, 5, 8, 3] : True -1 -> [1, 5, 8, 3] : False Click me to see the sample solution 26. List Histogram Write a Python program to create a histogram from a given list of integers. Click me to see the sample solution 27.

List to String Concatenator Write a Python program that concatenates all elements in a list into a string and returns it. Click me to see the sample solution 28. Even Numbers Until 237 Write a Python program to print all even numbers from a given list of numbers in the same order and stop printing any after 237 in the sequence.

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 29. Unique Colors Finder Write a Python program that prints out all colors from color_list_1 that are not present in color_list_2.

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 30. Triangle Area Calculator Write a Python program that will accept the base and height of a triangle and compute its area. Click me to see the sample solution 31. GCD Calculator Write a Python program that computes the greatest common divisor (GCD) of two positive integers. Click me to see the sample solution 32.

LCM Calculator Write a Python program to find the least common multiple (LCM) of two positive integers. Click me to see the sample solution 33. Triple Sum with Equality Rule Write a Python program to sum three given integers. However, if two values are equal, the sum will be zero. Click me to see the sample solution 34. Conditional Sum to 20 Write a Python program to sum two given integers. However, if the sum is between 15 and 20 it will return 20.

Click me to see the sample solution 35. Equality or 5 Rule Checker Write a Python program that returns true if the two given integer values are equal or their sum or difference is 5.Click me to see the sample solution 36. Add Integers Validator Write a Python program to add two objects if both objects are integers. Click me to see the sample solution 37. Personal Info Formatter Write a Python program that displays your name, age, and address on three different lines.

Click me to see the sample solution 38. Expression Solver Write a Python program to solve (x + y) * (x + y). Test Data : x = 4, y = 3 Expected Output : (4 + 3) ^ 2) = 49 Click me to see the sample solution 39. Future Value Calculator Write a Python program to compute the future value of a specified principal amount, rate of interest, and number of years.

Test Data : amt = 10000, int = 3.5, years = 7 Expected Output : 12722.79 Click me to see the sample solution 40. Distance Between Points Write a Python program to calculate the distance between the points (x1, y1) and (x2, y2). Click me to see the sample solution 41. File Existence Checker Write a Python program to check whether a file exists. Click me to see the sample solution 42.

Shell Mode Detector Write a Python program to determine if a Python shell is executing in 32bit or 64bit mode on OS. Click me to see the sample solution 43. OS and Platform Info Write a Python program to get OS name, platform and release information. Click me to see the sample solution 44. Python Site Packages Locator Write a Python program to locate Python site packages. Click me to see the sample solution 45. External Command Runner Write a Python program that calls an external command.

Click me to see the sample solution 46. File Path and Name Finder Write a Python program to retrieve the path and name of the file currently being executed. Click me to see the sample solution 47. CPU Count Finder Write a Python program to find out the number of CPUs used. Click me to see the sample solution 48. String to Numeric Parser Write a Python program to parse a string to float or integer. Click me to see the sample solution 49.

Directory Files Lister Write a Python program to list all files in a directory. Click me to see the sample solution 50. Print Without Newline Write a Python program to print without a newline or space. Click me to see the sample solution 51. Program Profiler Write a Python program to determine the profiling of Python programs. 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 52. Print to STDERR Write a Python program to print to STDERR. Click me to see the sample solution 53. Access Environment Variables Write a Python program to access environment variables. Click me to see the sample solution 54. Get Current Username Write a Python program to get the current username. Click me to see the sample solution 55. Find Local IPs Write a Python program to find local IP addresses using Python's stdlib. Click me to see the sample solution 56.

Console Dimensions Write a Python program to get the height and width of the console window. Click me to see the sample solution 57. Method Execution Time Write a Python program to get the execution time of a Python method. Click me to see the sample solution 58. Sum of First n Positives Write a Python program to sum the first n positive integers. Click me to see the sample solution 59. Height to Centimeters Write a Python program to convert height (in feet and inches) to centimeters.

Click me to see the sample solution 60. Triangle Hypotenuse Calculator Write a Python program to calculate the hypotenuse of a right angled triangle. Click me to see the sample solution 61. Feet to Other Units Write a Python program to convert the distance (in feet) to inches, yards, and miles. Click me to see the sample solution 62. Time to Seconds Converter Write a Python program to convert all units of time into seconds. Click me to see the sample solution 63.

Absolute File Path Finder Write a Python program to get an absolute file path. Click me to see the sample solution 64. File Timestamps Write a Python program that retrieves the date and time of file creation and modification. Click me to see the sample solution 65. Seconds to DHMS Converter Write a Python program that converts seconds into days, hours, minutes, and seconds. Click me to see the sample solution 66. BMI Calculator Write a Python program to calculate the body mass index.

Click me to see the sample solution 67. Pressure Unit Converter Write a Python program to convert pressure in kilopascals to pounds per square inch, a millimeter of mercury (mmHg) and atmosphere pressure. Click me to see the sample solution 68. Sum of Digits Write a Python program to calculate sum of digits of a number. Click me to see the sample solution 69. Sort Three Numbers Write a Python program to sort three integers without using conditional statements and loops. Click me to see the sample solution 70.

Sort Files by Date Write a Python program to sort files by date. Click me to see the sample solution 71. Directory Listing by Creation Date Write a Python program to get a directory listing, sorted by creation date. Click me to see the sample solution 72. Math Module Details Write a Python program to get the details of the math module. Click me to see the sample solution 73. Line Midpoint Calculator Write a Python program to calculate the midpoints of a line.

Click me to see the sample solution 74. Word Hasher Write a Python program to hash a word. Click me to see the sample solution 75. Copyright Information Write a Python program to get the copyright information and write Copyright information in Python code. Click me to see the sample solution 76. Command-line Arguments Write a Python program to get the command-line arguments (name of the script, the number of arguments, arguments) passed to a script. Click me to see the sample solution 77.

Endianness Checker Write a Python program to test whether the system is a big-endian platform or a little-endian platform. Click me to see the sample solution 78. List Built-in Modules Write a Python program to find the available built-in modules. Click me to see the sample solution 79. Object Size Finder Write a Python program to get the size of an object in bytes. Click me to see the sample solution 80. Current Recursion Limit Write a Python program to get the current value of the recursion limit.

Click me to see the sample solution 81. Concatenate Strings Write a Python program to concatenate N strings. Click me to see the sample solution 82. Sum of Container Items Write a Python program to calculate the sum of all items of a container (tuple, list, set, dictionary). Click me to see the sample solution 83. List Greater-Than Test Write a Python program to test whether all numbers in a list are greater than a certain number. Click me to see the sample solution 84.

Character Frequency Counter Write a Python program to count the number of occurrences of a specific character in a string. Click me to see the sample solution 85. File or Directory Checker Write a Python program to check whether a file path is a file or a directory. Click me to see the sample solution 86. Character ASCII Value Write a Python program to get the ASCII value of a character. Click me to see the sample solution 87.

File Size Finder Write a Python program to get the size of a file. Click me to see the sample solution 88. Sum Expression Printer Given variables x=30 and y=20, write a Python program to print "30+20=50". Click me to see the sample solution 89. Conditional Action Write a Python program to perform an action if a condition is true. 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 90. Self-replicating Program Write a Python program to create a copy of its own source code. Click me to see the sample solution 91. Swap Variables Write a Python program to swap two variables. Click me to see the sample solution 92. Special Characters in String Write a Python program to define a string containing special characters in various forms. Click me to see the sample solution 93.

Object Identity and Type Write a Python program to get the Identity, Type, and Value of an object. Click me to see the sample solution 94. String Bytes to Integers Write a Python program to convert the bytes in a given string to a list of integers. Click me to see the sample solution 95. Check if String is Numeric Write a Python program to check whether a string is numeric. Click me to see the sample solution 96.

Print Call Stack Write a Python program to print the current call stack. Click me to see the sample solution 97. List Special Variables Write a Python program to list the special variables used in the language. Click me to see the sample solution 98. Get System Time Write a Python program to get system time. 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 99.

Clear Terminal Write a Python program to clear the screen or terminal. Click me to see the sample solution 100. Get Host Name Write a Python program to get the name of the host on which the routine is running. Click me to see the sample solution 101. URL Content Printer Write a Python program to access and print a URL's content to the console. Click me to see the sample solution 102. System Command Output Write a Python program to get system command output.

Click me to see the sample solution 103. Extract Filename Write a Python program to extract the filename from a given path. Click me to see the sample solution 104. Process Group and User IDs Write a Python program to get the effective group id, effective user id, real group id, and a list of supplemental group ids associated with the current process. Note: Availability: Unix. Click me to see the sample solution 105. User Environment Retriever Write a Python program to get the users environment.

Click me to see the sample solution 106. Path Extension Splitter Write a Python program to divide a path by the extension separator. Click me to see the sample solution 107. File Properties Retriever Write a Python program to retrieve file properties. Click me to see the sample solution 108. File or Directory Path Finder Write a Python program to find the path to a file or directory when you encounter a path name. Click me to see the sample solution 109.

Resolve Path Name Write a Python program to find the path to a file or directory when you encounter a path name. Click me to see the sample solution 110. Divisible by 15 Finder Write a Python program to get numbers divisible by fifteen from a list using an anonymous function. Click me to see the sample solution 111. Wildcard File Lister Write a Python program to make file lists from the current directory using a wildcard. Click me to see the sample solution 112.

Remove First List Item Write a Python program to remove the first item from a specified list. Click me to see the sample solution 113. Number Input Validator Write a Python program that inputs a number and generates an error message if it is not a number. Click me to see the sample solution 114. Filter Positive Numbers Write a Python program to filter positive numbers from a list. Click me to see the sample solution 115.

List Product Calculator Write a Python program to compute the product of a list of integers (without using a for loop). Click me to see the sample solution 116. Print Unicode Characters Write a Python program to print Unicode characters. Click me to see the sample solution 117. String Memory Location Test Write a Python program to prove that two string variables of the same value point to the same memory location. Click me to see the sample solution 118.

Create Bytearray from List Write a Python program to create a bytearray from a list. Click me to see the sample solution 119. Round Float to Decimals Write a Python program to round a floating-point number to a specified number of decimal places. Click me to see the sample solution 120. String Formatter with Length Limit Write a Python program to format a specified string and limit the length of a string. Click me to see the sample solution 121.

Variable Defined Checker Write a Python program to determine if a variable is defined or not. Click me to see the sample solution 122. Empty Variable Without Deletion Write a Python program to empty a variable without destroying it. Sample data: n=20 d = {"x":200} Expected Output : 0 {} Click me to see the sample solution 123. Max and Min of Number Types Write a Python program to determine the largest and smallest integers, longs, and floats. Click me to see the sample solution 124.

Variable Equality Checker Write a Python program to check whether multiple variables have the same value. Click me to see the sample solution 125. Sum Collection Counts Write a Python program to sum all counts in a collection. Click me to see the sample solution 126. Get Module Object Write a Python program to get the actual module object for a given object. Click me to see the sample solution 127. Integer Fits in 64 Bits Write a Python program to check whether an integer fits in 64 bits.

Click me to see the sample solution 128. Lowercase Letters Checker Write a Python program to check whether lowercase letters exist in a string. Click me to see the sample solution 129. Add Leading Zeroes Write a Python program to add leading zeroes to a string. Click me to see the sample solution 130. Double Quotes String Display Write a Python program that uses double quotes to display strings. Click me to see the sample solution 131.

Split Variable Length String Write a Python program to split a variable length string into variables. Click me to see the sample solution 132. List Home Directory Write a Python program to list the home directory without an absolute path. Click me to see the sample solution 133. Program Runtime Calculator Write a Python program to calculate the time runs (difference between start and current time) of a program. Click me to see the sample solution 134.

Input Two Integers Write a Python program to input two integers on a single line. Click me to see the sample solution 135. Print Variable Without Spaces Write a Python program to print a variable without spaces between values. Sample value : x =30 Expected output : Value of x is "30" Click me to see the sample solution 136. Files Only in Directory Write a Python program to find files and skip directories in a given directory. Click me to see the sample solution 137.

Extract Dictionary Pair Write a Python program to extract a single key-value pair from a dictionary into variables. Click me to see the sample solution 138. Boolean to Integer Converter Write a Python program to convert true to 1 and false to 0. Click me to see the sample solution 139. IP Address Validator Write a Python program to validate an IP address. Click me to see the sample solution 140. Binary with Leading Zeroes Write a Python program to convert an integer to binary that keeps leading zeros.

Sample data : x=12 Expected output : 00001100 0000001100 Click me to see the sample solution 141. Decimal to Hexadecimal Write a python program to convert decimal to hexadecimal. Sample decimal number: 30, 4 Expected output: 1e, 04 Click me to see the sample solution 142. Consecutive Zero-One Checker Write a Python program to check if every consecutive sequence of zeroes is followed by a consecutive sequence of ones of same length in a given string. Return True/False.

Original sequence: 01010101 Check if every consecutive sequence of zeroes is followed by a consecutive sequence of ones in the said string: True Original sequence: 00 Check if every consecutive sequence of zeroes is followed by a consecutive sequence of ones in the said string: False Original sequence: 000111000111 Check if every consecutive sequence of zeroes is followed by a consecutive sequence of ones in the said string: True Original sequence: 00011100011 Check if every consecutive sequence of zeroes is followed by a consecutive sequence of ones in the said string: False Click me to see the sample solution 143.

Shell Bit Mode Detector Write a Python program to determine if the Python shell is executing in 32-bit or 64-bit mode on the operating system. Click me to see the sample solution 144. Variable Type Checker Write a Python program to check whether a variable is an integer or string. Click me to see the sample solution 145. Check List, Tuple, or Set Write a Python program to test if a variable is a list, tuple, or set. Click me to see the sample solution 146.

Locate Python Module Sources Write a Python program to find the location of Python module sources. Click me to see the sample solution 147. Divisibility Tester Write a Python function to check whether a number is divisible by another number. Accept two integer values from the user. Click me to see the sample solution 148. Max and Min Without Built-ins Write a Python function to find the maximum and minimum numbers from a sequence of numbers. Note: Do not use built-in functions. Click me to see the sample solution 149.

Cube Sum of Smaller Integers Write a Python function that takes a positive integer and returns the sum of the cube of all positive integers smaller than the specified number. Click me to see the sample solution 150. Odd Product Pair Checker Write a Python function to check whether a distinct pair of numbers whose product is odd is present in a sequence of integer values. Click me to see the sample solution Python Code Editor: More to Come !

Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.

Python Functions Exercises Practice Solution W3resource

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