code: def test_clip(self, float_frame):
      median = float_frame.median().median()
      original = float_frame.copy()
  
      double = float_frame.clip(upper=median, lower=median)
      assert not (double.values != median).any()
  
      # Verify that float_frame was not changed inplace
      assert (float_frame.values == original.values).all()
  
file_path: pandas/pandas/tests/frame/methods/test_clip.py
imports: import numpy
  import pytest
  from pandas import DataFrame, Series
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestDataFrameClip obj's underlying member method code with example usage: obj.test_clip(float_frame) without return types