code: def Residual(
      data,
      num_block=1,
      num_out=1,
      kernel=(3, 3),
      stride=(1, 1),
      pad=(1, 1),
      num_group=1,
      name=None,
      suffix="",
  ):
      identity = data
      for i in range(num_block):
          shortcut = identity
          conv = DResidual(
              data=identity,
              num_out=num_out,
              kernel=kernel,
              stride=stride,
              pad=pad,
              num_group=num_group,
              name="%s%s_block" % (name, suffix),
              suffix="%d" % i,
          )
          identity = conv + shortcut
      return identity
  
file_path: insightface/recognition/arcface_mxnet/symbol/fmobilefacenet.py
imports: import sys
  import os
  import mxnet
  import symbol_utils
  from config import config
label_desc: Use image node_id 6 for calling a global function with example usage: Residual(data, num_block, num_out, kernel, stride, pad, num_group, name, suffix) and returns: identity