save project

diy1.py

@@ -6,9 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登LU成功")
         break
-    if username!=name:
+    elif username!=name:
         print("用户名不存在")
-        continue
-    if userpassword!=password:
+    else:
         print("密码错误")
 print("欢迎来到贝尔编程")
\ No newline at end of file