save project

diy2.py

@@ -8,7 +8,7 @@ while True:
         break
     elif name != username:
         print("用户名不存在，谢谢！")
-    else: password != userpassword:
+    else:
         print("密码有误，请重试！") 
     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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