code: def test_from_product_rangeindex():
      # RangeIndex is preserved by factorize, so preserved in levels
      rng = Index(range(5))
      other = ["a", "b"]
      mi = MultiIndex.from_product([rng, other])
      tm.assert_index_equal(mi._levels[0], rng, exact=True)
  
imports: from datetime import date, datetime
  import itertools
  import numpy
  import pytest
  from pandas.core.dtypes.cast import construct_1d_object_array_from_listlike
  import pandas
  from pandas import Index, MultiIndex, Series, Timestamp, date_range
  import pandas._testing
label_desc: Use image node_id 29 for calling a global function with example usage: test_from_product_rangeindex() without return types