code: def test_eng_float_formatter2(self, float_frame):
      df = float_frame
      df.loc[5] = 0
  
      set_eng_float_format()
      repr(df)
  
      set_eng_float_format(use_eng_prefix=True)
      repr(df)
  
      set_eng_float_format(accuracy=0)
      repr(df)
  
file_path: pandas/pandas/tests/io/formats/test_eng_formatting.py
imports: import numpy
  import pytest
  from pandas import DataFrame, reset_option, set_eng_float_format
  from pandas.io.formats.format import EngFormatter
label_desc: Use image node_id 1 for calling the TestEngFormatter obj's underlying member method code with example usage: obj.test_eng_float_formatter2(float_frame) without return types