subSet

def isSubset(s1, s2):
	s3 = s1.union(s2)
	for i in s1:
		x = i
		print(x)
		for j in s3:
			y = j
			print(y)
			if x == y:
				return True
	return False

s1 = {1, 2, 3, 4, 5}
s2 = {0, 1, 2}
print(isSubset(s1, s2))