Return a list of the sections in the bytearray, using sep as the delimiter.
sep
The delimiter according which to split the bytearray.
None (the default value) means split on ASCII whitespace
characters (space, tab, return, newline, formfeed, vertical tab).
maxsplit
Maximum number of splits to do.
-1 (the default value) means no limit.
Splitting is done starting at the end of the bytearray and working
to the front.