"""
set method - issubset()
"""

A = {1,2,3,4}
B = {4,5,6,7}

result = A.issubset(B)
print(result)
print()

A = {1,2,3,4}
B = {1,2}

result = B.issubset(A)
print(result)
print()


A = {1,2,3,4}
B = {1,2,3,4}

result = B.issubset(A)
print(result)
print()

result = A.issubset(B)
print(result)
print()