auto save

diy2.py

@@ -8,7 +8,6 @@ while True:
         break
         break
     if name != username:
     if name != username:
         print("用户名不存在，请从新输入：")
         print("用户名不存在，请从新输入：")
-        continue
-    if password != userpassword:
+    elif password != userpassword:
         print("密码输入错误，请从新输入：")
         print("密码输入错误，请从新输入：")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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