diy2.py
515 Bytes
i=3
username = "python"
userpassword = "123456"
while True:
if i>0:
name = input("请输入用户名:")
password = input("请输入密码:")
i-=1
if name == username and password == userpassword:
print("登录成功!")
break
if name!=username:
print("账号错误!!")
if password !=userpassword:
print("密码错误!")
else:
print("账户已锁定")
exit()
print("欢迎来到贝尔编程!")