code: def test_loc_multiindex_incomplete(self):
      # GH 7399
      # incomplete indexers
      s = Series(
          np.arange(15, dtype="int64"),
          MultiIndex.from_product([range(5), ["a", "b", "c"]]),
      )
      expected = s.loc[:, "a":"c"]
  
      result = s.loc[0:4, "a":"c"]
      tm.assert_series_equal(result, expected)
  
      result = s.loc[:4, "a":"c"]
      tm.assert_series_equal(result, expected)
  
      result = s.loc[0:, "a":"c"]
      tm.assert_series_equal(result, expected)
  
      # GH 7400
      # multiindexer getitem with list of indexers skips wrong element
      s = Series(
          np.arange(15, dtype="int64"),
          MultiIndex.from_product([range(5), ["a", "b", "c"]]),
      )
      expected = s.iloc[[6, 7, 8, 12, 13, 14]]
      result = s.loc[2:4:2, "a":"c"]
      tm.assert_series_equal(result, expected)
  
imports: import numpy
  import pytest
  from pandas.errors import IndexingError, PerformanceWarning
  import pandas
  from pandas import DataFrame, Index, MultiIndex, Series
  import pandas._testing
label_desc: Use image node_id 13 for calling the TestMultiIndexLoc obj's underlying member method code with example usage: obj.test_loc_multiindex_incomplete() without return types