code: def test_categorical_dataframe_slice_copy():
      pdf = pd.DataFrame(
          {"g": pd.Series(["a", "b", "z"], dtype="category")}
      )
      gdf = cudf.from_pandas(pdf)
  
      exp = pdf[1:].copy()
      gdf = gdf[1:].copy()
  
      assert_eq(exp, gdf)
  
imports: import operator
  import string
  import warnings
  from contextlib import contextmanager
  from textwrap import dedent
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf.core._compat import PANDAS_GE_134
  from cudf.testing._utils import NUMERIC_TYPES, assert_eq, assert_exceptions_equal, expect_warning_if
label_desc: Use image node_id 24 for calling a global function with example usage: test_categorical_dataframe_slice_copy() without return types