2018.09.18 循环终止

break  完全终止

continue   跳出本次循环，执行下次循环。

# 猜年龄，猜三次。猜对就跳出
count = 1
while count <= 3:
    age = int(input("age:"))
    count += 1
    if age >= 27:
        print("猜大了")
    elif age <= 25:
        print("猜小了")


    else:
        print("娶我回家吧！")
        break

# 猜年龄，猜三次。三次到后，回复 Y 可以继续猜三次，以此往复。回复 N 或者猜对就跳出。
count = 1
while count <= 3:
    age = int(input("age:"))
    count += 1
    if age >= 27:
        print("猜大了")
    elif age <= 25:
        print("猜小了")
    else:
        print("娶我回家吧！")
        break
    if count == 4:
        number = input("number:")
        if number == "y":
            count -= 3
        elif number == "n":
            print("再见")
            break