code: def test_geometric_mean():
      assert geometric_mean([[0, 0], [10, 10]]) == (5, 5)
  
file_path: deck.gl/bindings/pydeck/tests/test_data_utils.py
imports: import json
  import pandas
  from pydeck.data_utils.viewport_helpers import compute_view, bbox_to_zoom_level, euclidean, is_pandas_df, geometric_mean, get_bbox, get_n_pct, k_nearest_neighbors
  from pydeck import ViewState
label_desc: Use image node_id 3 for calling a global function with example usage: test_geometric_mean() without return types