# Explicit is better than implicit.
zoo = ('python', 'elephant', 'penguin')
print('Number of animals in the zoo is', len(zoo))

new_zoo = ('monkey', 'camel', zoo)
print('Number of cages in the new zoo is', len(new_zoo))

print('All animals in new zoo are', new_zoo)

print('Animals brought from old zoo are', new_zoo[2])
print('Last animal brought from old zoo is', new_zoo[2][2])

print('Number of animals in the new zoo is',
        len(new_zoo)-1+len(new_zoo[2]))
