code: def convert_activation(node, **kwargs):
      
      name, input_nodes, attrs = get_inputs(node, kwargs)
  
      act_type = attrs["act_type"]
  
      # Creating a dictionary here, but if this titlecase pattern
      # mxnet_name.title()
      act_types = {
          "tanh": "Tanh",
          "relu": "Relu",
          "sigmoid": "Sigmoid",
          "softrelu": "Softplus",
          "softsign": "Softsign"
      }
  
      act_name = act_types.get(act_type)
      if act_name:
          node = onnx.helper.make_node(
              act_name,
              input_nodes,
              [name],
              name=name
          )
      else:
          raise AttributeError(
              "Activation %s not implemented or recognized in the converter" % act_type
          )
  
      return [node]
docs: Map MXNet's Activation operator attributes to onnx's Tanh/Relu operator
      and return the created node.