output the squares of all the numbers in a list L = [1, 2, 3, 4]? code example

Example 1: python square all numbers in list

def square(list):
    return [i ** 2 for i in list]

Example 2: list comprehension with square numbers python

def square(a):
    squares = []
    for i in a:
        squares.append(i**2)
    return squares