code: def get_io_bitwidth(self):
      return self.input_bitwidth, self.output_bitwidth
  
imports: import json
  import os
  import numpy
  from hls4ml.model.layers import FixedPrecisionType, IntegerPrecisionType
label_desc: Use image node_id 3 for calling the VivadoAcceleratorConfig obj's underlying member method code with example usage: obj.get_io_bitwidth() and returns: self,  self