code: def test_map_defaultdict():
      s = Series([1, 2, 3], index=["a", "b", "c"])
      default_dict = defaultdict(lambda: "blank")
      default_dict[1] = "stuff"
      result = s.map(default_dict)
      expected = Series(
          ["stuff", "blank", "blank"], index=["a", "b", "c"]
      )
      tm.assert_series_equal(result, expected)
  
imports: from collections import Counter, defaultdict
  from decimal import Decimal
  import math
  import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, MultiIndex, Series, bdate_range, date_range, isna, timedelta_range
  import pandas._testing
label_desc: Use image node_id 24 for calling a global function with example usage: test_map_defaultdict() without return types