Like the posts above me mentioned, every snake is different and it is not uncommon to have a ball python with attitude especially as a hatchling or a juvenile. If this is just her 'personality' coming out try give her regular handling to see if this will calm her down. I have found that with really aggressive juveniles covering them completely in your hands for about 30 or 45 seconds calms them down and makes them more submissive, similar practices are used quite widely among many species of animals where bagging them or covering their eyes/heads puts them into a submissive state. Don't be forceful, just be confident and control her.

Can you tell us a little bit about your setup? Sometimes optimizing your husbandry can take the edge off a snappy snake.

Lastly...

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