diy2.py
496 Bytes
username = "python"
userpassword = "123456"
i=-1
while True:
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
if name != username:
print("用户名错")
i=1+1
continue
if password != username:
print("密码错")
i=i+1
else:
print("没了!")
exit()
print("欢迎来到贝尔编程!")