save project

diy1.py

@@ -6,10 +6,9 @@ while True:
     if name==username and password==userpassword:
         print("登录成功!")
         break
-    if name!=username:
+    elif name!=username:
         print("用户名错误！请重新输入")
-        continue
-    if password!=username:
+    else: 
         print("密码不正确！请重新输入")
 print("欢迎来到贝尔编程！")