code: def austourists():
      return [
          42.20566,
          24.64917,
          32.66734,
          37.25735,
          45.24246,
          29.35048,
          36.34421,
          41.78208,
          49.27660,
          31.27540,
          37.85063,
          38.83704,
          51.23690,
          31.83855,
          41.32342,
          42.79900,
          55.70836,
          33.40714,
          42.31664,
          45.15712,
          59.57608,
          34.83733,
          44.84168,
          46.97125,
          60.01903,
          38.37118,
          46.97586,
          50.73380,
          61.64687,
          39.29957,
          52.67121,
          54.33232,
          66.83436,
          40.87119,
          51.82854,
          57.49191,
          65.25147,
          43.06121,
          54.76076,
          59.83447,
          73.25703,
          47.69662,
          61.09777,
          66.05576,
      ]
  
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 4 for calling a global function with example usage: austourists() and returns: list