code: def test_loc(gs):
      index = [
          "a",
          "b",
          "c",
          "d",
          "e",
          "f",
          "g",
          "h",
          "i",
          "j",
          "k",
          "l",
      ]
      gs.index = index
      cugs = cuspatial.from_geopandas(gs)
      gsslice = gs[0:5]
      cugsslice = cugs[0:5]
      assert_eq_geo(gsslice, cugsslice.to_geopandas())
      gsslice = gs[["l", "k", "j", "i"]]
      cugsslice = cugs[["l", "k", "j", "i"]]
      assert_eq_geo(gsslice, cugsslice.to_geopandas())
  
imports: from enum import Enum
  from numbers import Integral
  import cupy
  import geopandas
  import numpy
  import pandas
  import pytest
  from geopandas.testing import assert_geoseries_equal
  from shapely.affinity import rotate
  from shapely.geometry import LineString, MultiLineString, MultiPoint, MultiPolygon, Point, Polygon
  import cudf
  from cudf.testing import assert_series_equal
  import cuspatial
label_desc: Use image node_id 30 for calling a global function with example usage: test_loc(gs) without return types