code: def df_hist():
      return pd.DataFrame(
          {
              "a": np.random.randn(1000) + 1,
              "b": np.random.randn(1000),
              "c": np.random.randn(1000) - 1,
          },
          columns=["a", "b", "c"],
      )
  
imports: import inspect
  import os
  import re
  from functools import wraps
  from pathlib import Path
  from shutil import rmtree
  from typing import Callable
  import numpy
  import pandas
  import pandas_bokeh
label_desc: Use image node_id 6 for calling a global function with example usage: df_hist() and returns: pd