code: def get_layer_uid(layer_name=""):
      """Helper function, assigns unique layer IDs."""
      if layer_name not in _LAYER_UIDS:
          _LAYER_UIDS[layer_name] = 1
          return 1
      else:
          _LAYER_UIDS[layer_name] += 1
          return _LAYER_UIDS[layer_name]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from .models_base import glorot
  from .models_base import Model
  import tensorflow
label_desc: Use image node_id 1 for calling a global function with example usage: get_layer_uid(layer_name) and returns: int, _LAYER_UIDS