Learn list comprehension with detailed explanation and example

expression means what you want to append in the list.

Create a list of even numbers from existing list

Output:   [12, 8, 2, 6, 90]

Output:  [3, 1.1, 25, 2.1]

Output:  ['A', 'B', 'O', 'M']

Output: ['A', 'B', 144, 225, 49, 4, 9, 'O', 'M']

Output:    [[0, 1, 2], [0, 1, 2], [0, 1, 2]]