code: def get_combined_column(df):
      return df.x * df.ident
  
file_path: cudf/python/dask_cudf/dask_cudf/tests/test_delayed_io.py
imports: import numpy
  import pytest
  from pandas.testing import assert_frame_equal
  from dask.delayed import delayed
  import cudf
  import dask_cudf
label_desc: Use image node_id 2 for calling a global function with example usage: get_combined_column(df) and returns: unknown