code: def _make_ssa_name(name):
      """Converts a symbol name (string) into an SSA name, by prepending '%'.
      Only used for pretty printing the graph.
      """
      return "%" + name
  
imports: from collections import OrderedDict
  from itertools import islice
  import torch
label_desc: Use image node_id 1 for calling a global function with example usage: _make_ssa_name(name) and returns: unknown