code: def get_attr(self, name, default_value=None):
      if self.attr:
          if name in self.attr.keys():
              return self.attr.get(name)
          else:
              return default_value
      else:
          return default_value
  
file_path: MMdnn/mmdnn/conversion/mxnet/mxnet_graph.py
imports: import os
  import mxnet
  from mmdnn.conversion.common.DataStructure.graph import GraphNode, Graph
label_desc: Use image node_id 5 for calling the MXNetGraphNode obj's underlying member method code with example usage: obj.get_attr(name, default_value) and returns: default_value, self, default_value