save project

diy2.py

@@ -10,6 +10,6 @@ while True:
     if name!=username:
         else print("用户不存在:")
     
-    if password!=USERpassword name=username
+    if password!=USERpassword and name=username
         else print("密码错误：")
 print("欢迎来到贝尔编程!")