code: def test_funnel():
      fig = px.funnel(
          x=[5, 4, 3, 3, 2, 1],
          y=["A", "B", "C", "A", "B", "C"],
          color=["0", "0", "0", "1", "1", "1"],
      )
      assert len(fig.data) == 2
  
file_path: plotly.py/packages/python/plotly/plotly/tests/test_optional/test_px/test_px_functions.py
imports: import plotly.express
  import plotly.graph_objects
  from numpy.testing import assert_array_equal
  import numpy
  import pandas
  import pytest
label_desc: Use image node_id 10 for calling a global function with example usage: test_funnel() without return types