code: def test_delitem(self, float_frame):
      del float_frame["A"]
      assert "A" not in float_frame
  
file_path: pandas/pandas/tests/frame/indexing/test_delitem.py
imports: import re
  import numpy
  import pytest
  from pandas import DataFrame, MultiIndex
label_desc: Use image node_id 1 for calling the TestDataFrameDelItem obj's underlying member method code with example usage: obj.test_delitem(float_frame) without return types