you bet

exclamation2

1. •
   Expresses support, agreement, certainty or emphasis.

   • You bet they'll re-run such a successful show next season.
2. •
   (informal) Certainly, you're welcome; a reply to thank you or to a request.

   • “Hey, thanks for all your hard work yesterday.” / “You bet!”
   • “Could you give me a hand?” / “You bet!”