code: def test_to_csv_float_format(self):
      df = DataFrame(
          [
              [0.123456, 0.234567, 0.567567],
              [12.32112, 123123.2, 321321.2],
          ],
          index=["A", "B"],
          columns=["X", "Y", "Z"],
      )
  
      with tm.ensure_clean() as filename:
          df.to_csv(filename, float_format="%.2f")
  
          rs = read_csv(filename, index_col=0)
          xp = DataFrame(
              [[0.12, 0.23, 0.57], [12.32, 123123.20, 321321.20]],
              index=["A", "B"],
              columns=["X", "Y", "Z"],
          )
          tm.assert_frame_equal(rs, xp)
  
imports: import csv
  from io import StringIO
  import os
  import numpy
  import pytest
  from pandas.errors import ParserError
  import pandas
  from pandas import DataFrame, Index, MultiIndex, NaT, Series, Timestamp, date_range, period_range, read_csv, to_datetime
  import pandas._testing
  import pandas.core.common
  from pandas.io.common import get_handle
label_desc: Use image node_id 36 for calling the TestDataFrameToCSV obj's underlying member method code with example usage: obj.test_to_csv_float_format() without return types