auto save

diy2.py

@@ -5,11 +5,11 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
-    if username!=name :
-        print("用户名错误!")
-        continue
     if userpassword!=password:
         print("密码错误!")
         break
+    if username!=name :
+        print("用户名错误!")
+        continue
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
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