code: def _ssa_name_list(names):
      """
      Take a list of symbol names (strings) and return them as SSA names. Only
      used for pretty printing the graph.
      """
      return [_make_ssa_name(x) for x in names]
  
imports: from collections import OrderedDict
  import torch
  from torch.fx.node import Node
  from coremltools import _logger
  from .edgeir_utils import extract_inputs_from_edge_program
  from .torchscript_utils import _expand_and_optimize_ir
label_desc: Use image node_id 2 for calling a global function with example usage: _ssa_name_list(names) and returns: unknown