How to declare a list item in a variable in python?

Question

Python

I have a list with words, I need to find words with commas in this list and add them to a separate list.
I'm trying to do this:
for word in words:
i = len(word) - 1
if word[i] == ",": #or the find method
word_with_comma.append(???????)

Answer 1

word_with_comma = [word for word in words if ',' in word]