What are the options for merging lists?

Question

Python

There are two lists:

a = ['one', 'two', None, 'four', None]
b = [None, None, 'three', None, 'five']

How to get the:
a = ['one', 'two', 'three', 'four', 'five']

Answer 1

a = [x or y for x, y in zip(a, b)]