code: def _add_block(out, block, num_layers, channels, **kwargs):
      with out.name_scope():
          for _ in range(num_layers):
              out.add(block(channels, **kwargs))
  
imports: from mxnet.gluon import nn
  from mxnet.gluon.nn import BatchNorm
  from mxnet.gluon.block import HybridBlock
label_desc: Use image node_id 1 for calling a global function with example usage: _add_block(out, block, num_layers, channels) without return types