save project

diy2.py

@@ -8,6 +8,6 @@ while True:
         break
     if name != username:
         print("用户名输入错误!")
-    if password != userpassword:
+    elif password != userpassword:
         print("密码输入错误!") 
 print("欢迎来到贝尔编程!") 
\ No newline at end of file