code: def test_qcut_include_lowest():
      values = np.arange(10)
      ii = qcut(values, 4)
  
      ex_levels = IntervalIndex(
          [
              Interval(-0.001, 2.25),
              Interval(2.25, 4.5),
              Interval(4.5, 6.75),
              Interval(6.75, 9),
          ]
      )
      tm.assert_index_equal(ii.categories, ex_levels)
  
imports: import os
  import numpy
  import pytest
  import pandas
  from pandas import Categorical, DatetimeIndex, Interval, IntervalIndex, NaT, Series, Timedelta, TimedeltaIndex, Timestamp, cut, date_range, isna, qcut, timedelta_range
  import pandas._testing
  from pandas.api.types import CategoricalDtype
  from pandas.tseries.offsets import Day
label_desc: Use image node_id 5 for calling a global function with example usage: test_qcut_include_lowest() without return types