Converting List Comprehensions to For Loops in Python

Question

I understand the importance of list comprehensions, but do not understand their inner-workings, thus am not able to understand them in simpler terms such as I would a for lo

Answer 1

Question:

How could I change this to a for loop?

li = [row[index] for row in outer_list]

Answer:

li = []
for row in outer_list:
   li.append(row[index])