code: def ausair():
      return [
          17.55340,
          21.86010,
          23.88660,
          26.92930,
          26.88850,
          28.83140,
          30.07510,
          30.95350,
          30.18570,
          31.57970,
          32.57757,
          33.47740,
          39.02158,
          41.38643,
          41.59655,
          44.65732,
          46.95177,
          48.72884,
          51.48843,
          50.02697,
          60.64091,
          63.36031,
          66.35527,
          68.19795,
          68.12324,
          69.77935,
          72.59770,
      ]
  
file_path: river/river/time_series/test_holt_winters.py
imports: from __future__ import annotations
  import io
  import pytest
  from river.time_series import HoltWinters
label_desc: Use image node_id 3 for calling a global function with example usage: ausair() and returns: list