a = [1, 3, 5]
b = [1, 3, 5, 8]
c = [3, 5, 9]
set(a) < set(b)
set(c) < set(b)
a = ['yes', 'no', 'hmm']
b = ['yes', 'no', 'hmm', 'well']
c = ['sorry', 'no', 'hmm']
set(a) < set(b)
set(c) < set(b)
Python - verifying if one list is a subset of the other