(self, begin, end)
Get bytes from the media.

    Args:
      begin: int, offset from beginning of file.
      length: int, number of bytes to read, starting at begin.

    Returns:
      A string of bytes read. May be shorter than length if EOF was reached
      first.
Get bytes from the media.
Get bytes from the media .
def getbytes(self, begin, end):
    """Get bytes from the media.

    Args:
      begin: int, offset from beginning of file.
      length: int, number of bytes to read, starting at begin.

    Returns:
      A string of bytes read. May be shorter than length if EOF was reached
      first.
    """
    raise NotImplementedError()
def getbytes ( self , begin , end ) : raise NotImplementedError ( )