Depends on the type of python. I have a ball python that's maybe 4 feet long and he's full grown. They live quite awhile as well - mine is 14 years old now and

Depends on the type of python. I have a ball python that's maybe 4 feet long and he's full grown. They live quite awhile as well - mine is 14 years old now and he doesn't seem to be any different than when he was 4.