Python Basic (Part -I) - Exercises, Practice, Solution

Python basic (Part -I) [150 exercises with solution]

[An editor is available at the bottom of the page to write and execute the scripts.]

1. Write a Python program to print the following string in a specific format (see the output). Go to the 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

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2. Write a Python program to get the Python version you are using. Go to the editor
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3. 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. Write a Python program which accepts the radius of a circle from the user and compute the area. Go to the editor
Sample Output :
r = 1.1
Area = 3.8013271108436504
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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
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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
Sample data : 3, 5, 7, 23
Output :
List : ['3', ' 5', ' 7', ' 23']
Tuple : ('3', ' 5', ' 7', ' 23')
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7. Write a Python program to accept a filename from the user and print the extension of that. Go to the editor
Sample filename : abc.java
Output : java
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8. Write a Python program to display the first and last colors from the following list. Go to the editor
color_list = ["Red","Green","White" ,"Black"]
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9. Write a Python program to display the examination schedule. (extract the date from exam_st_date). Go to the editor
exam_st_date = (11, 12, 2014)
Sample Output : The examination will start from : 11 / 12 / 2014
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10. Write a Python program that accepts an integer (n) and computes the value of n+nn+nnn. Go to the editor
Sample value of n is 5
Expected Result : 615
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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.
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12. Write a Python program to print the calendar of a given month and year.
Note : Use 'calendar' module.
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13. Write a Python program to print the following 'here document'. Go to the editor
Sample string :
a string that you "don't" have to escape
This
is a ....... multi-line
heredoc string --------> example
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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
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15. Write a Python program to get the volume of a sphere with radius 6.
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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
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17. Write a Python program to test whether a number is within 100 of 1000 or 2000. Go to the editor
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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
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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
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20. Write a Python program to get a string which is n (non-negative integer) copies of a given string. Go to the editor
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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
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22. Write a Python program to count the number 4 in a given list. Go to the editor
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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
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24. Write a Python program to test whether a passed letter is a vowel or not. Go to the editor
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25. Write a Python program to check whether a specified value is contained in a group of values. Go to the editor
Test Data :
3 -> [1, 5, 8, 3] : True
-1 -> [1, 5, 8, 3] : False

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26. Write a Python program to create a histogram from a given list of integers. Go to the editor
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27. Write a Python program to concatenate all elements in a list into a string and return it. Go to the editor
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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
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. 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
Test Data :
color_list_1 = set(["White", "Black", "Red"])
color_list_2 = set(["Red", "Green"])
Expected Output :
{'Black', 'White'}
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30. Write a Python program that will accept the base and height of a triangle and compute the area. Go to the editor
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31. Write a Python program to compute the greatest common divisor (GCD) of two positive integers. Go to the editor
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32. Write a Python program to get the least common multiple (LCM) of two positive integers. Go to the editor
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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
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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
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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
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36. Write a Python program to add two objects if both objects are an integer type. Go to the editor
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37. Write a Python program to display your details like name, age, address in three different lines. Go to the editor
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38. Write a Python program to solve (x + y) * (x + y). Go to the editor
Test Data : x = 4, y = 3
Expected Output : (4 + 3) ^ 2) = 49
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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
Test Data : amt = 10000, int = 3.5, years = 7
Expected Output : 12722.79
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40. Write a Python program to compute the distance between the points (x1, y1) and (x2, y2). Go to the editor
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41. Write a Python program to check whether a file exists. Go to the editor
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42. Write a Python program to determine if a Python shell is executing in 32bit or 64bit mode on OS. Go to the editor
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43. Write a Python program to get OS name, platform and release information. Go to the editor
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44. Write a Python program to locate Python site-packages. Go to the editor
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45. Write a Python program to call an external command. Go to the editor
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46. Write a python program to get the path and name of the file that is currently executing. Go to the editor
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47. Write a Python program to find out the number of CPUs using. Go to the editor
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48. Write a Python program to parse a string to Float or Integer. Go to the editor
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49. Write a Python program to list all files in a directory in Python. Go to the editor
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50. Write a Python program to print without newline or space. Go to the editor
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51. Write a Python program to determine profiling of Python programs. Go to the 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.
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52. Write a Python program to print to stderr. Go to the editor
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53. Write a python program to access environment variables. Go to the editor
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54. Write a Python program to get the current username. Go to the editor
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55. Write a Python to find local IP addresses using Python's stdlib. Go to the editor
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56. Write a Python program to get height and width of the console window. Go to the editor
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57. Write a Python program to get execution time for a Python method. Go to the editor
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58. Write a Python program to sum of the first n positive integers. Go to the editor
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59. Write a Python program to convert height (in feet and inches) to centimeters. Go to the editor
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60. Write a Python program to calculate the hypotenuse of a right angled triangle. Go to the editor
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61. Write a Python program to convert the distance (in feet) to inches, yards, and miles. Go to the editor
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62. Write a Python program to convert all units of time into seconds. Go to the editor
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63. Write a Python program to get an absolute file path. Go to the editor
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64. Write a Python program to get file creation and modification date/times. Go to the editor
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65. Write a Python program to convert seconds to day, hour, minutes and seconds. Go to the editor
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66. Write a Python program to calculate body mass index. Go to the editor
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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
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68. Write a Python program to calculate sum of digits of a number. Go to the editor
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69. Write a Python program to sort three integers without using conditional statements and loops. Go to the editor
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70. Write a Python program to sort files by date. Go to the editor
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71. Write a Python program to get a directory listing, sorted by creation date. Go to the editor
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72. Write a Python program to get the details of math module. Go to the editor
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73. Write a Python program to calculate midpoints of a line. Go to the editor
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74. Write a Python program to hash a word. Go to the editor
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75. Write a Python program to get the copyright information and write Copyright information in Python code. Go to the editor
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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
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77. Write a Python program to test whether the system is a big-endian platform or little-endian platform. Go to the editor
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78. Write a Python program to find the available built-in modules. Go to the editor
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79. Write a Python program to get the size of an object in bytes. Go to the editor
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80. Write a Python program to get the current value of the recursion limit. Go to the editor
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81. Write a Python program to concatenate N strings. Go to the editor
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82. Write a Python program to calculate the sum of all items of a container (tuple, list, set, dictionary). Go to the editor
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83. Write a Python program to test whether all numbers of a list is greater than a certain number. Go to the editor
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84. Write a Python program to count the number occurrence of a specific character in a string. Go to the editor
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85. Write a Python program to check whether a file path is a file or a directory. Go to the editor
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86. Write a Python program to get the ASCII value of a character. Go to the editor
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87. Write a Python program to get the size of a file. Go to the editor
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88. Given variables x=30 and y=20, write a Python program to print "30+20=50". Go to the editor
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89. Write a Python program to perform an action if a condition is true. Go to the 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.
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90. Write a Python program to create a copy of its own source code. Go to the editor
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91. Write a Python program to swap two variables. Go to the editor
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92. Write a Python program to define a string containing special characters in various forms. Go to the editor
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93. Write a Python program to get the Identity, Type, and Value of an object. Go to the editor
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94. Write a Python program to convert a byte string to a list of integers. Go to the editor
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95. Write a Python program to check whether a string is numeric. Go to the editor
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96. Write a Python program to print the current call stack. Go to the editor
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97. Write a Python program to list the special variables used within the language. Go to the editor
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98. Write a Python program to get the system time. Go to the editor

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. Write a Python program to clear the screen or terminal. Go to the editor
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100. Write a Python program to get the name of the host on which the routine is running. Go to the editor
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101. Write a Python program to access and print a URL's content to the console. Go to the editor
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102. Write a Python program to get system command output. Go to the editor
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103. Write a Python program to extract the filename from a given path. Go to the editor
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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
Note: Availability: Unix.
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105. Write a Python program to get the users environment. Go to the editor
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106. Write a Python program to divide a path on the extension separator. Go to the editor
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107. Write a Python program to retrieve file properties. Go to the editor
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108. Write a Python program to find path refers to a file or directory when you encounter a path name. Go to the editor
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109. Write a Python program to check if a number is positive, negative or zero. Go to the editor
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110. Write a Python program to get numbers divisible by fifteen from a list using an anonymous function. Go to the editor
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111. Write a Python program to make file lists from current directory using a wildcard. Go to the editor
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112. Write a Python program to remove the first item from a specified list. Go to the editor
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113. Write a Python program to input a number, if it is not a number generates an error message. Go to the editor
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114. Write a Python program to filter the positive numbers from a list. Go to the editor
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115. Write a Python program to compute the product of a list of integers (without using for loop). Go to the editor
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116. Write a Python program to print Unicode characters. Go to the editor
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117. Write a Python program to prove that two string variables of same value point same memory location. Go to the editor
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118. Write a Python program to create a bytearray from a list. Go to the editor
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119. Write a Python program to round a floating-point number to specified number decimal places. Go to the editor
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120. Write a Python program to format a specified string limiting the length of a string. Go to the editor
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121. Write a Python program to determine whether variable is defined or not. Go to the editor
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122. Write a Python program to empty a variable without destroying it. Go to the editor

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

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123. Write a Python program to determine the largest and smallest integers, longs, floats. Go to the editor
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124. Write a Python program to check whether multiple variables have the same value. Go to the editor
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125. Write a Python program to sum of all counts in a collections.Go to the editor
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126. Write a Python program to get the actual module object for a given object. Go to the editor
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127. Write a Python program to check whether an integer fits in 64 bits. Go to the editor
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128. Write a Python program to check whether lowercase letters exist in a string. Go to the editor
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129. Write a Python program to add leading zeroes to a string. Go to the editor
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130. Write a Python program to use double quotes to display strings. Go to the editor
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131. Write a Python program to split a variable length string into variables. Go to the editor
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132. Write a Python program to list home directory without absolute path. Go to the editor
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133. Write a Python program to calculate the time runs (difference between start and current time) of a program. Go to the editor
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134. Write a Python program to input two integers in a single line. Go to the editor
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135. Write a Python program to print a variable without spaces between values. Go to the editor
Sample value : x =30
Expected output : Value of x is "30"
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136. Write a Python program to find files and skip directories of a given directory. Go to the editor
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137. Write a Python program to extract single key-value pair of a dictionary in variables. Go to the editor
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138. Write a Python program to convert true to 1 and false to 0. Go to the editor
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139. Write a Python program to valid a IP address. Go to the editor
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140. Write a Python program to convert an integer to binary keep leading zeros. Go to the editor
Sample data : x=12
Expected output : 00001100
0000001100
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141. Write a python program to convert decimal to hexadecimal. Go to the editor
Sample decimal number: 30, 4
Expected output: 1e, 04
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142. 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. Go to the editor
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. Write a Python program to determine if the python shell is executing in 32bit or 64bit mode on operating system. Go to the editor
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144. Write a Python program to check whether variable is integer or string. Go to the editor
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145. Write a Python program to test if a variable is a list or tuple or a set. Go to the editor
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146. Write a Python program to find the location of Python module sources. Go to the editor
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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
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148. Write a Python function to find the maximum and minimum numbers from a sequence of numbers. Go to the editor
Note: Do not use built-in functions.
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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
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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
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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.