code: def make_position(chrom, position, reverse_strand=False):
      """Returns a nucleus.genomics.v1.Position.
  
      Args:
        chrom: str. The chromosome name.
        position: int. The start position (0-based, inclusive).
        reverse_strand: bool. If True, indicates the position is on the negative
          strand.
      """
      return position_pb2.Position(
          reference_name=chrom,
          position=position,
          reverse_strand=reverse_strand,
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import re
  from typing import Dict, Iterable, Optional, Sequence
  from absl import logging
  from etils import epath
  import intervaltree
  import six
  from third_party.nucleus.io import bed
  from third_party.nucleus.protos import position_pb2
  from third_party.nucleus.protos import range_pb2
  from third_party.nucleus.protos import reference_pb2
  from third_party.nucleus.protos import variants_pb2
label_desc: Use image node_id 1 for calling a global function with example usage: make_position(chrom, position, reverse_strand) and returns: position_pb2