exit() ["a", "b"] in ["a", "b", "c", "d"] str(["a", "b"]) in str(["a", "b", "c", "d"]) "a" in ["a", "b", "c", "d"] "a","b" in ["a", "b", "c", "d"] "a" a = ["a", "b"] b = ["a", "b", "c", "d"] set(a) <= set(b) one = [1, 2, 3] two = [9, 8, 5, 3, 2, 1] all(x in two for x in one) exit() a = [1,2,3,4,5] b = [4,5,6,7,8] x = ["hi", "bye", "seeya"] y = ["bye", "salut", "bonjour"] for greeting in x: if greeting in y: print("yes") strings = ["happy birthday", "bon voyage", "3 blind mice"] strings_2 = ["happy madison", "biker mice from mars", "bon bon"] for strng in strings: for word in strng: if word in strings_2: print("This function works") exit()