save project

diy1.py

@@ -8,10 +8,9 @@ while True:
     if name==password and password==uspassword:
         print("登陆成功")
         break
-    if name!=username:
+    elif name!=username:
         print("用户名错误，请重新输入")  
-        continue
-    if password!=userpassword:
+    else:
         print("用户密码错误，请重新输入")
 print("欢迎来到贝尔编程：")