code: def _process_params(G, center, dim):
      # Some boilerplate code.
      import numpy as np
  
      if not isinstance(G, nx.Graph):
          empty_graph = nx.Graph()
          empty_graph.add_nodes_from(G)
          G = empty_graph
  
      if center is None:
          center = np.zeros(dim)
      else:
          center = np.asarray(center)
  
      if len(center) != dim:
          msg = "length of center coordinates must match dimension of layout"
          raise ValueError(msg)
  
      return G, center
  
imports: import networkx
  from networkx.utils import np_random_state
label_desc: Use image node_id 1 for calling a global function with example usage: _process_params(G, center, dim) and returns: G,  center