def _get_part_map(self, part_id):
return [p for p in self._my_map['<STR_LIT>']<EOL>if p['<STR_LIT>'] == str(part_id)][<NUM_LIT:0>]<EOL>
from self._my_map['assessmentParts'], return the one part map
        with ID that matches the one passed in