code: def pretty_print_node_path(path):
      if not path:
          return "root object"
      else:
          return "root." + ".".join([p.name for p in path])
  
file_path: tensorflow-upstream/tensorflow/python/trackable/trackable_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
label_desc: Use image node_id 1 for calling a global function with example usage: pretty_print_node_path(path) and returns: str, unknown