Python习题——2018-03-26作业

7-3 10的整数倍：让用户输入一个数字，并指出这个数字是否是10的整数倍。

num = int(input('Please input a number: '))
if num % 10 == 0:
    print("It's divisible by 10.")
else:
    print("It's not divisible by 10.")

输入：

输出：

Please input a number: 20
It's divisible by 10.

　
7-4 比萨配料：编写一个循环，提示用户输入一系列的比萨配料，并在用户输入’quit’ 时结束循环。每当用户输入一种配料后，都打印一条消息，说我们会在比萨中添加这种配料。

prompt = "Please enter the ingredient you want to add to your pizza:"
prompt += "\n(Enter 'quit' when you are finished.) "
while True:
    ingredient = input(prompt)
    if ingredient == 'quit':
        break
    else:
        print('We will add ' + ingredient + ' to your pizza.\n')

输入：

mushrooms
green peppers
extra cheese
quit

输出：

Please enter the ingredient you want to add to your pizza:
(Enter 'quit' when you are finished.) mushrooms
We will add mushrooms to your pizza.

Please enter the ingredient you want to add to your pizza:
(Enter 'quit' when you are finished.) green peppers
We will add green peppers to your pizza.

Please enter the ingredient you want to add to your pizza:
(Enter 'quit' when you are finished.) extra cheese
We will add extra cheese to your pizza.

Please enter the ingredient you want to add to your pizza:
(Enter 'quit' when you are finished.) quit

　
7-10 梦想的度假胜地：编写一个程序，调查用户梦想的度假胜地。使用类似于“If you could visit one place in the world, where would you go?”的提示，并编写一个打印调查结果的代码块。

responses = {}
prompt = 'If you could visit one place in the world, where would you go? '
active = True
while active:
    name = input('What is your name? ')
    response = input(prompt)
    responses[name] = response
    repeat = input('Would you like to let another person respond? (yes/ no) ')
    if repeat == 'no':
        active = False
    else:
        print()
print('\n--- Poll Results ---')
for name, response in responses.items():
    print(name.title() + ' would like to visit ' + response.title() + '.')

输入：

alice
london
yes
bob
new york
yes
trump
China
no

输出：

What is your name? alice
If you could visit one place in the world, where would you go? london
Would you like to let another person respond? (yes/ no) yes 

What is your name? bob
If you could visit one place in the world, where would you go? new york
Would you like to let another person respond? (yes/ no) yes

What is your name? trump
If you could visit one place in the world, where would you go? China
Would you like to let another person respond? (yes/ no) no 

--- Poll Results ---
Alice would like to visit London.
Bob would like to visit New York.
Trump would like to visit China.

Python习题——2018-03-26作业

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