avengers = {'iron man':'suit', 'hulk':'smash',
    'captain':['shield', 'hammer'], 'natasha':'power'}


print("avengers =", avengers)
print("----")
print("avengers.keys() -->", avengers.keys())
print("----")
print("avengers.values() -->", avengers.values())
print("----")
print("avengers.items() -->", avengers.items())
x = 'power' in avengers.values()
print("----")
print(x)
