Python Basic (Part -I) - Exercises, Practice, Solution
Python Basic Exercises for Beginners
150 basic exercises/problems with solutions
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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
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2. Python Version Checker
Write a Python program to find out what version of Python you are using.
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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
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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
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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.
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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')
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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
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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"]
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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
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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
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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.
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12. Monthly Calendar Display
Write a Python program that prints the calendar for a given month and year.
Note : Use 'calendar' module.
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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
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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
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15. Sphere Volume Calculator
Write a Python program to get the volume of a sphere with radius six.
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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.
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17. Number Range Tester
Write a Python program to test whether a number is within 100 of 1000 or 2000.
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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.
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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".
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20. String Copy Generator
Write a Python program that returns a string that is n (non-negative integer) copies of a given string.
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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.
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22. Count 4 in List
Write a Python program to count the number 4 in a given list.
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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.
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24. Vowel Tester
Write a Python program to test whether a passed letter is a vowel or not.
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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
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26. List Histogram
Write a Python program to create a histogram from a given list of integers.
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27. List to String Concatenator
Write a Python program that concatenates all elements in a list into a string and returns it.
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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
]
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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'}
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30. Triangle Area Calculator
Write a Python program that will accept the base and height of a triangle and compute its area.
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31. GCD Calculator
Write a Python program that computes the greatest common divisor (GCD) of two positive integers.
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32. LCM Calculator
Write a Python program to find the least common multiple (LCM) of two positive integers.
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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.
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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.
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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.
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37. Personal Info Formatter
Write a Python program that displays your name, age, and address on three different lines.
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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
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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
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40. Distance Between Points
Write a Python program to calculate the distance between the points (x1, y1) and (x2, y2).
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41. File Existence Checker
Write a Python program to check whether a file exists.
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42. Shell Mode Detector
Write a Python program to determine if a Python shell is executing in 32bit or 64bit mode on OS.
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43. OS and Platform Info
Write a Python program to get OS name, platform and release information.
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44. Python Site Packages Locator
Write a Python program to locate Python site packages.
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45. External Command Runner
Write a Python program that calls an external command.
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46. File Path and Name Finder
Write a Python program to retrieve the path and name of the file currently being executed.
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47. CPU Count Finder
Write a Python program to find out the number of CPUs used.
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48. String to Numeric Parser
Write a Python program to parse a string to float or integer.
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49. Directory Files Lister
Write a Python program to list all files in a directory.
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50. Print Without Newline
Write a Python program to print without a newline or space.
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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.
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52. Print to STDERR
Write a Python program to print to STDERR.
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53. Access Environment Variables
Write a Python program to access environment variables.
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54. Get Current Username
Write a Python program to get the current username.
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55. Find Local IPs
Write a Python program to find local IP addresses using Python's stdlib.
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56. Console Dimensions
Write a Python program to get the height and width of the console window.
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57. Method Execution Time
Write a Python program to get the execution time of a Python method.
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58. Sum of First n Positives
Write a Python program to sum the first n positive integers.
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59. Height to Centimeters
Write a Python program to convert height (in feet and inches) to centimeters.
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60. Triangle Hypotenuse Calculator
Write a Python program to calculate the hypotenuse of a right angled triangle.
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61. Feet to Other Units
Write a Python program to convert the distance (in feet) to inches, yards, and miles.
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62. Time to Seconds Converter
Write a Python program to convert all units of time into seconds.
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63. Absolute File Path Finder
Write a Python program to get an absolute file path.
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64. File Timestamps
Write a Python program that retrieves the date and time of file creation and modification.
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65. Seconds to DHMS Converter
Write a Python program that converts seconds into days, hours, minutes, and seconds.
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66. BMI Calculator
Write a Python program to calculate the body mass index.
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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.
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68. Sum of Digits
Write a Python program to calculate sum of digits of a number.
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69. Sort Three Numbers
Write a Python program to sort three integers without using conditional statements and loops.
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70. Sort Files by Date
Write a Python program to sort files by date.
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71. Directory Listing by Creation Date
Write a Python program to get a directory listing, sorted by creation date.
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72. Math Module Details
Write a Python program to get the details of the math module.
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73. Line Midpoint Calculator
Write a Python program to calculate the midpoints of a line.
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74. Word Hasher
Write a Python program to hash a word.
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75. Copyright Information
Write a Python program to get the copyright information and write Copyright information in Python code.
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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.
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77. Endianness Checker
Write a Python program to test whether the system is a big-endian platform or a little-endian platform.
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78. List Built-in Modules
Write a Python program to find the available built-in modules.
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79. Object Size Finder
Write a Python program to get the size of an object in bytes.
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80. Current Recursion Limit
Write a Python program to get the current value of the recursion limit.
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81. Concatenate Strings
Write a Python program to concatenate N strings.
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82. Sum of Container Items
Write a Python program to calculate the sum of all items of a container (tuple, list, set, dictionary).
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83. List Greater-Than Test
Write a Python program to test whether all numbers in a list are greater than a certain number.
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84. Character Frequency Counter
Write a Python program to count the number of occurrences of a specific character in a string.
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85. File or Directory Checker
Write a Python program to check whether a file path is a file or a directory.
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86. Character ASCII Value
Write a Python program to get the ASCII value of a character.
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87. File Size Finder
Write a Python program to get the size of a file.
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88. Sum Expression Printer
Given variables x=30 and y=20, write a Python program to print "30+20=50".
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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.
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90. Self-replicating Program
Write a Python program to create a copy of its own source code.
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91. Swap Variables
Write a Python program to swap two variables.
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92. Special Characters in String
Write a Python program to define a string containing special characters in various forms.
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93. Object Identity and Type
Write a Python program to get the Identity, Type, and Value of an object.
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94. String Bytes to Integers
Write a Python program to convert the bytes in a given string to a list of integers.
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95. Check if String is Numeric
Write a Python program to check whether a string is numeric.
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96. Print Call Stack
Write a Python program to print the current call stack.
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97. List Special Variables
Write a Python program to list the special variables used in the language.
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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.
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99. Clear Terminal
Write a Python program to clear the screen or terminal.
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100. Get Host Name
Write a Python program to get the name of the host on which the routine is running.
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101. URL Content Printer
Write a Python program to access and print a URL's content to the console.
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102. System Command Output
Write a Python program to get system command output.
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103. Extract Filename
Write a Python program to extract the filename from a given path.
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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.
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105. User Environment Retriever
Write a Python program to get the users environment.
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106. Path Extension Splitter
Write a Python program to divide a path by the extension separator.
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107. File Properties Retriever
Write a Python program to retrieve file properties.
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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.
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109. Resolve Path Name
Write a Python program to find the path to a file or directory when you encounter a path name.
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110. Divisible by 15 Finder
Write a Python program to get numbers divisible by fifteen from a list using an anonymous function.
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111. Wildcard File Lister
Write a Python program to make file lists from the current directory using a wildcard.
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112. Remove First List Item
Write a Python program to remove the first item from a specified list.
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113. Number Input Validator
Write a Python program that inputs a number and generates an error message if it is not a number.
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114. Filter Positive Numbers
Write a Python program to filter positive numbers from a list.
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115. List Product Calculator
Write a Python program to compute the product of a list of integers (without using a for loop).
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116. Print Unicode Characters
Write a Python program to print Unicode characters.
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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.
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118. Create Bytearray from List
Write a Python program to create a bytearray from a list.
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119. Round Float to Decimals
Write a Python program to round a floating-point number to a specified number of decimal places.
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120. String Formatter with Length Limit
Write a Python program to format a specified string and limit the length of a string.
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121. Variable Defined Checker
Write a Python program to determine if a variable is defined or not.
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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
{}
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123. Max and Min of Number Types
Write a Python program to determine the largest and smallest integers, longs, and floats.
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124. Variable Equality Checker
Write a Python program to check whether multiple variables have the same value.
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125. Sum Collection Counts
Write a Python program to sum all counts in a collection.
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126. Get Module Object
Write a Python program to get the actual module object for a given object.
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127. Integer Fits in 64 Bits
Write a Python program to check whether an integer fits in 64 bits.
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128. Lowercase Letters Checker
Write a Python program to check whether lowercase letters exist in a string.
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129. Add Leading Zeroes
Write a Python program to add leading zeroes to a string.
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130. Double Quotes String Display
Write a Python program that uses double quotes to display strings.
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131. Split Variable Length String
Write a Python program to split a variable length string into variables.
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132. List Home Directory
Write a Python program to list the home directory without an absolute path.
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133. Program Runtime Calculator
Write a Python program to calculate the time runs (difference between start and current time) of a program.
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134. Input Two Integers
Write a Python program to input two integers on a single line.
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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"
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136. Files Only in Directory
Write a Python program to find files and skip directories in a given directory.
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137. Extract Dictionary Pair
Write a Python program to extract a single key-value pair from a dictionary into variables.
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138. Boolean to Integer Converter
Write a Python program to convert true to 1 and false to 0.
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139. IP Address Validator
Write a Python program to validate an IP address.
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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
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141. Decimal to Hexadecimal
Write a python program to convert decimal to hexadecimal.
Sample decimal number: 30, 4
Expected output: 1e, 04
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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
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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.
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144. Variable Type Checker
Write a Python program to check whether a variable is an integer or string.
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145. Check List, Tuple, or Set
Write a Python program to test if a variable is a list, tuple, or set.
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146. Locate Python Module Sources
Write a Python program to find the location of Python module sources.
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147. Divisibility Tester
Write a Python function to check whether a number is divisible by another number. Accept two integer values from the user.
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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.
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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.
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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.
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