save project

diy2.py

@@ -6,7 +6,6 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    print("用户名和密码错误!请重新输入")
     if name!=username:
     if name!=username:
         print("用户不存在!")
         print("用户不存在!")
         continue
         continue