code: def SimpleFactory(data, ch_1x1, ch_3x3, name, attr):
      # 1x1
      conv1x1 = ConvFactory(
          data=data,
          name=name + "_1x1",
          kernel=(1, 1),
          pad=(0, 0),
          num_filter=ch_1x1,
          attr=attr,
      )
      # 3x3
      conv3x3 = ConvFactory(
          data=data,
          name=name + "_3x3",
          kernel=(3, 3),
          pad=(1, 1),
          num_filter=ch_3x3,
          attr=attr,
      )
      # concat
      concat = mx.symbol.Concat(
          *[conv1x1, conv3x3], name=name + "_ch_concat"
      )
      return concat
  
imports: import mxnet
label_desc: Use image node_id 5 for calling a global function with example usage: SimpleFactory(data, ch_1x1, ch_3x3, name, attr) and returns: concat