# Assignment 1
print("a: ", {1:[1,2], 3:[3,4]})
#print("b: ", {[1, 2]:1, [3, 4]:3}) # TypeError: unhashable type: 'list'
print("c: ", {(1, 2):1, (3, 4):3})
print("d: ", {1:"john", 3:"peter"})
print("e: ", {"john":1, "peter":3})
