Is this acceptable for heat?

[demonicchild]

I don't really know why you have a 55 gallon for a ball python.. that is ridiculously large..

In order to heat that, you would need 2-3 UTH's or 2-3 Heat lamps. Ball pythons hide in hides, so they don't get the heat from the lamps as efficiently.. so they are virtually useless as a heat source. You need UTH's of some type.

I don't know how humidity won't be a problem in that large of a cage.

I have a 55 gallon because I have a 55 gallon. Some guy I met gave it to me for free w/ stand because he had just got a 90g for his saltwater fish.