code: def test_total_seconds_precision(self):
      # GH 19458
      assert Timedelta("30s").total_seconds() == 30.0
      assert Timedelta("0").total_seconds() == 0.0
      assert Timedelta("-2s").total_seconds() == -2.0
      assert Timedelta("5.324s").total_seconds() == 5.324
      assert (Timedelta("30s").total_seconds() - 30.0) < 1e-20
      assert (30.0 - Timedelta("30s").total_seconds()) < 1e-20
  
imports: from datetime import timedelta
  import sys
  from hypothesis import given, strategies
  import numpy
  import pytest
  from pandas._libs import lib
  from pandas._libs.tslibs import NaT, iNaT
  from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
  from pandas.errors import OutOfBoundsTimedelta
  from pandas import Timedelta, to_timedelta
  import pandas._testing
label_desc: Use image node_id 17 for calling the TestTimedeltas obj's underlying member method code with example usage: obj.test_total_seconds_precision() without return types