save project

sb.py/diy.py

@@ -2,7 +2,7 @@ username="sb"
 userpassword="123456"
 while True:
     name=input("请输入用户名")
-    if name!=username:
+    if name == username:
         password=input("请输入密码")
         if  password==userpassword:
             print("登陆成功")