First of all, congrats on your new snake
How long have you had her?
The temps and the humidity both sound fine to me. I wouldn't change anything there.
If she hasn't been with you for over two weeks, she might be climbing the tank walls because this environment is new and she is trying to get a grasp of the set up.
Does she have anything to climb on? Maybe she a climber and needs an branch or something. Most ball pythons love to climb when they are young and some still do with age. A small branch for climbing might be enough for her.
Also if you're ball python is young (under a year), this enclosure might be too big for her.
My last point is that most ball pythons fall when climbing. They might love to climb but they aren't the most elegant beings in that regard. That's why you shouldn't give them anything to climb on that's higher than 1 feet above the ground, at least in my opinion.
My ball python falls often enough but from a 0,6 feet. I mean it's not great that he falls but at least he's not falling from an amazing and dangerous height. By the way I just found him hanging around in his enclosure as I took a look (I might add the photo)
So don't worry too much about the falling. It happens.
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