code: def test_get_col(precalculated_rf_regression_explainer):
      assert isinstance(
          precalculated_rf_regression_explainer.get_col("Gender"),
          pd.Series,
      )
      assert is_categorical_dtype(
          precalculated_rf_regression_explainer.get_col("Gender")
      )
  
      assert isinstance(
          precalculated_rf_regression_explainer.get_col("Age"),
          pd.Series,
      )
      assert is_numeric_dtype(
          precalculated_rf_regression_explainer.get_col("Age")
      )
  
imports: import pandas
  import numpy
  from pandas.api.types import is_categorical_dtype, is_numeric_dtype
  import plotly.graph_objects
label_desc: Use image node_id 10 for calling a global function with example usage: test_get_col(precalculated_rf_regression_explainer) without return types