4-1 比萨 :想出至少三种你喜欢的比萨,将其名称存储在一个列表中,再使用 for 循环将每种比萨的名称都打印出来。
修改这个 for 循环,使其打印包含比萨名称的句子,而不仅仅是比萨的名称。对于每种比萨,都显示一行输出,如 “I like pepperoni pizza” 。
在程序末尾添加一行代码,它不在 for 循环中,指出你有多喜欢比萨。输出应包含针对每种比萨的消息,还有一个总结性句子,如 “I really love pizza!” 。
pizzas = ["Papa John's", "Domino's", "pizza hut"]
for pizza in pizzas:
print('I like ' + pizza.title() + 'pizza\n')
print('I really love pizza!')
结果:
I like Papa John'Spizza
I like Domino'Spizza
I like Pizza Hutpizza
I really love pizza!
4-2 动物 :想出至少三种有共同特征的动物,将这些动物的名称存储在一个列表中,再使用 for 循环将每种动物的名称都打印出来。
修改这个程序,使其针对每种动物都打印一个句子,如 “A dog would make a great pet” 。
在程序末尾添加一行代码,指出这些动物的共同之处,如打印诸如 “Any of these animals would make a great pet!” 这样的句子。
pets = ['dog', 'cat', 'monkey', 'bird']
for pet in pets:
print('A ' + pet + ' would make a great pet.')
结果:
A dog would make a great pet.
A cat would make a great pet.
A monkey would make a great pet.
A bird would make a great pet.
Any of these animals would make a great pet!