save project

diy2.py

+i = 3
 username = "python"
 userpassword = "123456"
 while True:
+    if 1>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!")
         elif name != username:
             print("账号错误！")
         else:
             print("密码")
-
+    else:
+        print("已锁定")