Python-‘自动化无聊的东西’- while循环

while 条件:
    # 循环执行的代码块

numbers = [1, 2, 3, 4, 5]
index = 0
while index < len(numbers):
    print(numbers[index])
    index += 1

while True:
    password = input("请输入密码：")
    if password == "123456":
        print("登录成功！")
        break
    else:
        print("密码错误，请重新输入。")

import random
while True:
    num = random.randint(1, 100)
    if num % 7 == 0:
        print("随机生成的数{}是7的倍数。".format(num))
        break
    else:
        print("随机生成的数{}不是7的倍数。".format(num))