code: def test_explainer_len(
      precalculated_catboost_classifier_explainer, testlen
  ):
      assert len(precalculated_catboost_classifier_explainer) == testlen
  
imports: import pandas
  import numpy
  from pandas.api.types import is_categorical_dtype, is_numeric_dtype
  import plotly.graph_objs
label_desc: Use image node_id 1 for calling a global function with example usage: test_explainer_len(precalculated_catboost_classifier_explainer, testlen) without return types