code: def _expand_and_repeat_point(point, n_reps=2):
      return _expand_point(point), _repeat_point(point, n_reps=n_reps)
  
imports: import networkx
  import pytest
  import geomstats.backend
  from geomstats.test.parametrizers import DataBasedParametrizer
  from geomstats.test.test_case import TestCase
  from geomstats.test_cases.geometry.stratified.point_set import PointSetMetricTestCase, PointSetTestCase, PointTestCase
  from .data.graph_space import AlignerTestData, DecoratorsTestData, GraphSpaceMetricTestData, GraphSpaceTestData, GraphTestData, PointToGeodesicAlignerTestData
label_desc: Use image node_id 3 for calling a global function with example usage: _expand_and_repeat_point(point, n_reps) and returns: _expand_point,  _repeat_point