python用户输入错误重新输入_Python输错4次用户名密码需要输入验证码

time = 0

login_success = False

USER_NAME = "alex"

PWD = "alex123"

CHECK_CODE = "123"

while time < 4:

user_name = input("请输入您的用户名: ")

pwd = input("请输入您的密码: ")

if user_name == USER_NAME:

if pwd == PWD:

print("恭喜您登录成功")

login_success = True

break

else:

print('您的用户名或密码错误,请重新输入')

time = time + 1

else:

print("您的用户名或密码错误,请重新输入")

time = time + 1

if not login_success:

while True:

check_code = input('请输入验证码: ')

user_name = input("请输入您的用户名: ")

pwd = input("请输入您的密码: ")

if check_code == CHECK_CODE:

if user_name == USER_NAME:

if pwd == PWD:

print("恭喜您登录成功")

break

else:

print("您的用户名或密码错误,请重新输入")

else:

print("您的用户名或密码错误,请重新输入")

else:

print("验证码错误,重新输入")

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