code: def backend(request):
      """
      Returns the backend name to use. This is done as a fixture for consistency
      and simplicity when creating benchmarks (no need to mark the benchmark as
      parametrized).
      """
      return request.param
  
imports: import random
  import networkx
  import pandas
  import pytest
  from cugraph import datasets
  import nx_cugraph
label_desc: Use image node_id 3 for calling a global function with example usage: backend(request) and returns: request