save project

diy2.py

@@ -6,12 +6,10 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name != username
-    print("zhannghaocuowu")
+    if name != username:
+         print("zhannghaocuowu")
     if password != userpassword:
-             print("密码错误")
-
-    print("用户名和密码错误!请重新输入")
+        print("密码错误")
 print("欢迎来到贝尔编程!")