save project

diy2.py

@@ -6,9 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")    
         break
-    if name != username :
+    elif name != username :
         print("请重新输入用户名:") 
-    if password != userpassword:
+    else:
         print("请重新输入密码:")   
-    
 print("欢迎来到贝尔编程!")
\ No newline at end of file