《Python编程-从入门到实践》第7、8章习题选练

最新推荐文章于 2021-12-23 16:45:44 发布

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最新推荐文章于 2021-12-23 16:45:44 发布 · 914 阅读

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本文通过一系列Python编程练习，涵盖了输入输出、列表操作、循环控制、函数使用等核心概念。包括判断数是否为10的倍数、模拟制作三明治的过程、管理三明治订单、创建描述城市功能、增加专辑信息字段以及处理魔术师列表的副本。这些练习旨在提升对Python编程的理解和应用能力。

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7-1. Rental Car: Write a program that asks the user what kind of rental car they would like. Print a message about that car, such as “Let me see if I can find you a Subaru.”

知识点分析：Python输入函数input的简单应用

代码：

#7-1
brand = input('What kind of car do you like to rent?\n')
print("Let me see if I can find you a "+brand)

7-3. Multiples of Ten: Ask the user for a number, and then report whether the number is a multiple of 10 or not.

知识点分析：输入练习、%运算符

代码：

#7-3
num = input('please enter an integer\n')
divisible = True if int(num) % 10 == 0 else False

if divisible:
    print(num+" is a multiple of 10")
else:
    print(num+" is NOT a multiple of 10")

7-5. Movie Tickets: A movie theater charges different ticket prices depending on a person’s age. If a person is under the age of 3, the ticket is free; if they are between 3 and 12, the ticket is $10; and if they are over age 12, the ticket is $15. Write a loop in which you ask users their age, and then tell them the cost of their movie ticket.

7-6. Three Exits: Write different versions of either Exercise 7-4 or Exercise 7-5 that do each of the following at least once:
• Use a conditional test in the while statement to stop the loop.
• Use an active variable to control how long the loop runs.

• Use a break statement to exit the loop when the user enters a 'quit' value.

知识点分析：用户输入交互与while循环

代码：

#7-5&7-6

#solution 1
age = input("Please enter your age('quit' to exit)\n")
while age != 'quit':
    if int(age) < 3:
        print("free")
    elif 3 <= int(age