code: def katz(G, alpha=None):
      return cugraph.katz_centrality(G, alpha)
  
file_path: cugraph/benchmarks/cugraph/standalone/cugraph_funcs.py
imports: import numpy
  import cugraph
  from cugraph.generators import rmat
  import cudf
label_desc: Use image node_id 9 for calling a global function with example usage: katz(G, alpha) and returns: cugraph