Compare two lists and replace items at index based on contingency

1

I’m working on a problem in which I’d like to compare two lists of numbers in Python:

list_a = [0, 1, 2, 3]

list_b = [4, -2, 3, -1]

I’d like to create a new list_c that transforms the list_a by examining every negative number in list_b and then replaces the corresponding number in list_a (at the same index number when compared to list_b ) with None.

list_c = [0, None, 2, None]

I welcome your suggestions! Thank you.

2

At what point are you stuck? What did you do already, how do you think this can be solved?