code: def test_getitem_pop_assign_name(self, float_frame):
      s = float_frame["A"]
      assert s.name == "A"
  
      s = float_frame.pop("A")
      assert s.name == "A"
  
      s = float_frame.loc[:, "B"]
      assert s.name == "B"
  
      s2 = s.loc[:]
      assert s2.name == "B"
  
imports: from copy import deepcopy
  import inspect
  import pydoc
  import numpy
  import pytest
  from pandas._config import using_pyarrow_string_dtype
  from pandas._config.config import option_context
  import pandas
  from pandas import DataFrame, Series, date_range, timedelta_range
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestDataFrameMisc obj's underlying member method code with example usage: obj.test_getitem_pop_assign_name(float_frame) without return types