code: def _get_symmat(size):
      rng = cupy.random.default_rng(1)
      A = rng.integers(1, 21, (size, size))
      lA = cupy.tril(A)
      return lA.dot(lA.T)
  
file_path: dask/dask/array/tests/test_cupy_linalg.py
imports: from __future__ import annotations
  import numpy
  import pytest
  from packaging.version import parse
  import dask.array
  from dask.array.utils import assert_eq
label_desc: Use image node_id 5 for calling a global function with example usage: _get_symmat(size) and returns: lA