code: def Concat(shapeList, axis):
      newDimSize = sum([x[axis] for x in shapeList])
      newShape = shapeList[0]
      newShape[axis] = newDimSize
      return newShape
  
file_path: MMdnn/mmdnn/conversion/onnx/shape_inference.py
label_desc: Use image node_id 4 for calling a global function with example usage: Concat(shapeList, axis) and returns: newShape