So I have two lists right now.
list1 = ['A', 'B', 'C', 'D']
list2 = [1, 2, 3, 4]
How can I merge the lists together to make it look something like this:
list3 = [['A', 1], ['B', 2], ['C', 3], ['D', 4]]
Basically I want to make a list inside a list.
I've been trying for loops but nothing seems to be working for me.