auto save

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
         break
     if name != username:
     if name != username:
         print("用户名错误")
         print("用户名错误")
+        continue
     if password != userpassword:
     if password != userpassword:
         print("密码错误")        
         print("密码错误")        
 print("欢迎")
 print("欢迎")
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