code: def test_large_numbers_var():
      num = 8488678001
      df = cudf.DataFrame(
          {
              "x": np.arange(num, num + 1000, dtype=np.float64),
              "y": np.arange(num, num + 1000, dtype=np.float64),
          }
      )
      pdf = df.to_pandas()
      ddf = dgd.from_cudf(df, npartitions=4)
      pddf = dd.from_pandas(pdf, npartitions=4)
  
      dd.assert_eq(ddf.var(), pddf.var(), check_less_precise=3)
  
imports: import random
  import cupy
  import numpy
  import pandas
  import pytest
  from packaging import version
  import dask
  from dask import dataframe
  from dask.dataframe.core import make_meta, meta_nonempty
  from dask.utils import M
  import cudf
  import dask_cudf
label_desc: Use image node_id 46 for calling a global function with example usage: test_large_numbers_var() without return types