4-1 比萨

pizzas = ['seafood pizza', 'sausage pizza', 'cheese pizza']
for pizza in pizzas:
print(pizza.title())
print('I like ' + pizza + '.\n')
print('I really love pizza!')

4-2 动物

animals = ['fish', 'cat', 'dog']
for animal in animals:
print(animal.title())
print('A ' + animal + ' would make a great pet.\n')
print('Any of these animals would make a great pet.')