It depends the could be brown green and even yellow.
because a males is long and purple and a females is a short mini bum basically its the same as a humans willy and thief!
Normally not more than 4 1/2 feet, some will get up to 6 though.
by the color. the more rich the color, it is male and the more dull the color it is female
When ball pythons sense they are in danger, they will coil themselves up into a "ball."