How to check if all items in a list are there in another list?

Question

I have two lists say

List1 = [\'a\',\'c\',\'c\']
List2 = [\'x\',\'b\',\'a\',\'x\',\'c\',\'y\',\'c\']

Now I want to find out if all element

Answer 1

This will return true is all the items in List1 are in List2

def list1InList2(list1, list2):
    for item in list1:
        if item not in list2:
            return False
    return True