code: def get_symbol(num_classes=1000, multiplier=1.0):
      mnetgen = MobileNetV2((224, 224), multiplier=multiplier)
      mnetv2_sym = mnetgen(class_num=num_classes, layer_out=None)
      return mnetv2_sym
  
file_path: byteps/example/mxnet/symbols/mobilenetv2.py
imports: import mxnet
label_desc: Use image node_id 6 for calling a global function with example usage: get_symbol(num_classes, multiplier) and returns: mnetv2_sym