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Python: Square the elements of a list using map()

Python map: Exercise-5 with Solution

Write a Python program to square the elements of a list using map() function.

Sample Solution:

Python Code :

def square_num(n):
  return n * n
nums = [4, 5, 2, 9]
print("Original List: ",nums)
result = map(square_num, nums)
print("Square the elements of the said list using map():")
print(list(result))

Sample Output:

Original List:  [4, 5, 2, 9]
Square the elements of the said list using map():
[16, 25, 4, 81]

Python Code Editor:

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Previous: 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.
Next: Write a Python program to convert all the characters in uppercase and lowercase and eliminate duplicate letters from a given sequence. Use map() function.

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Python: Tips of the Day

Returns True if the provided function returns True for every element in the list, False otherwise

Example:

def tips_every(lst, fn=lambda x: x):
  return all(map(fn, lst))

print(tips_every([2, 4, 3], lambda x: x > 1))
print(tips_every([1, 2, 3]))

Output:

True
True