code: def forward(self, is_train, req, in_data, out_data, aux):
      self.assign(out_data[0], req[0], in_data[0] + 1)
  
file_path: mxnet/benchmark/opperf/custom_operations/custom_operations.py
imports: import mxnet
label_desc: Use image node_id 1 for calling the CustomAddOne obj's underlying member method code with example usage: obj.forward(is_train, req, in_data, out_data, aux) without return types