auto save

diy2_4.py

@@ -8,7 +8,6 @@ while True:
         break
     if name != username:
         print("用户名错误,请重新输入!")
-        continue
-    if password != userpassword:
+    elif password != userpassword:
         print("密码输入有误,请重新输入!")
 print("欢迎来到贝尔编程!")
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