animals = ['dog', 'cat']
# tuple
mammals = ('tiger', 'elephant')
animals.extend(mammals)
print('Updated list:', animals)
# dictionary
birds = {'owl': 1, 'parrot': 2}
animals.extend(birds)
print('Updated list:', animals)
#Updated list: ['dog', 'cat', 'tiger', 'elephant']
#Updated list: ['dog', 'cat', 'tiger', 'elephant', 'owl', 'parrot']