class_docstr: Record the basic information of model
code: def __init__(self):
      self.data_provider = []
      self.cntk_layers = (
          {}
      )  # Dict Key: function name, Value: function definition
      self.cntk_sorted_layers = []  # List Key: function name
      self.model_name = "Untitled"
      self.solver = None
  
imports: from enum import Enum
label_desc: Use image node_id 1 to create a new CntkModelDescription object from inherited base classes: object with example: obj = CntkModelDescription()