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Python Map - Exercises, Practice, Solution

Python Map [17 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 triple all numbers of a given list of integers. Use Python map. Go to the editor
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2. Write a Python program to add three given lists using Python map and lambda. Go to the editor
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3. Write a Python program to listify the list of given strings individually using Python map.
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4. Write a Python program to create a list containing the power of said number in bases raised to the corresponding number in the index using Python map. Go to the editor
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5. Write a Python program to square the elements of a list using map() function. Go to the editor
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6. Write a Python program to convert all the characters in uppercase and lowercase and eliminate duplicate letters from a given sequence. Use map() function. Go to the editor
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7. Write a Python program to add two given lists and find the difference between lists. Use map() function. Go to the editor
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8. Write a Python program to convert a given list of integers and a tuple of integers in a list of strings. Go to the editor
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9. Write a Python program to create a new list taking specific elements from a tuple and convert a string value to integer. Go to the editor
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10. Write a Python program to compute the square of first N Fibonacci numbers, using map function and generate a list of the numbers. Go to the editor
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11. Write a Python program to compute the sum of elements of a given array of integers, use map() function. Go to the editor
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12. Write a Python program to find the ration of positive numbers, negative numbers and zeroes in an array of integers. Go to the editor
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13. Write a Python program to count the same pair in two given lists. use map() function. Go to the editor
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14. Write a Python program to interleave two given list into another list randomly using map() function. Go to the editor
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15. Write a Python program to split a given dictionary of lists into list of dictionaries using map function. Go to the editor
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16. Write a Python program to convert a given list of strings into list of lists using map function. Go to the editor
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17. Write a Python program to convert a given list of tuples to a list of strings using map function. Go to the editor
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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.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m