Get difference between two lists

Question

I have two lists in Python, like these:

temp1 = [\'One\', \'Two\', \'Three\', \'Four\']
temp2 = [\'One\', \'Two\']

I need to create a third

Answer 1

single line version of arulmr solution

def diff(listA, listB):
    return set(listA) - set(listB) | set(listA) -set(listB)