Pup keeps going to the bathroom once inside and won’t go outside..

I just got a puppy and she came from a home that too many dogs to begin with and they were going to take the pups to the pound so I said I'd take one.

when the lady came to drop her off, she said she kept bringing her outside and that as soon as she would come in she would go pee or poop.

I've been noticing it too. I brought her outside for a little bit about 20 mins ago and we came in and about 2 mins later she took a poop on the floor. but we were outside for at least like 20 mins .. can someone give me some advice on how to handle this? I'll be honest it's my first time having a pup this young (shes 10 weeks) so this is all new to me as I've had my cats my entire life

I'm trying to give her the best life I can and really want this to work. she's been making me soo happy so far and my daughter loves her.