code: def _with_suffix(df, suffix):
      return (
          []
          if not suffix
          else [c for c in df.columns if c.endswith(suffix)]
      )
  
imports: from copy import copy, deepcopy
  import abc
  import inspect
  import importlib
  import itertools
  from collections.abc import Mapping
  import pandas
  from decorator import decorator
  from sklearn_evaluation.exceptions import DataSelectorError
  from sklearn_evaluation.util import map_parameters_in_fn_call
  from sklearn_evaluation.table import Table
label_desc: Use image node_id 6 for calling a global function with example usage: _with_suffix(df, suffix) and returns: unknown