Python教材第七章部分习题

教材：《Python编程 从入门到实践》

7-3：10的整数倍

#7-3 multiple of 10
num = input()
if int(num) % 10 == 0:
    print("It is a multiple of 10")
else:
    print("It is not a multiple of 10")

输入1，输出为It is not a multiple of 10

输入230，输出为It is a multiple of 10

7-6：电影票

#7-6 movie tickets
while True:
    print("Enter your age, or q to quit")
    age = input()
    if age == 'q':
        break
    age = int(age)
    if age <= 3:
        print("Free of charge!")
    elif age <= 12:
        print("The price is $10.")
    else:
        print("The price is $15.")

运行结果：

Enter your age, or q to quit
2
Free of charge!
Enter your age, or q to quit
34
The price is $15.
Enter your age, or q to quit
q

7-7：无限循环

#7-7 infinite loop
while True:
    print("emmm")

输出：一直输出emmm