diy2.py
543 Bytes
i=5
username = "python"
userpassword = "123456"
while True:
if i>0:
name = input("请输入用户名:")
password = input("请输入密码:")
if name == username and password == userpassword:
print("登录成功!")
break
elif name!=username:
print("用户名不正确!请重新输入")
else: #password != userpassword
print("密码不正确!请重新输入")
else:
print("登录次数已用完")
print("欢迎来到贝尔编程!")