code: def test_ragged_slice_index(ragged, start=0, end=2):
      r = ragged[start:end]
      size = ragged.lengths[start:end].sum()
      assert r.data.shape == (size, r.data.shape[1])
      assert_allclose(r.lengths, ragged.lengths[start:end])
  
file_path: thinc/thinc/tests/test_indexing.py
imports: import numpy
  import pytest
  from numpy.testing import assert_allclose
  from thinc.types import Pairs, Ragged
label_desc: Use image node_id 5 for calling a global function with example usage: test_ragged_slice_index(ragged, start, end) without return types