save project

diy1.py

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