code: def get_ndarray(self, context, name, shape):
      key = "%s_%s" % (name, context)
      # print(key)
      if not key in self._nd_cache:
          v = nd.zeros(shape=shape, ctx=context)
          self._nd_cache[key] = v
      else:
          v = self._nd_cache[key]
      return v
  
imports: import logging
  import copy
  import time
  import os
  import mxnet
  import numpy
  from mxnet import context
  from mxnet.initializer import Uniform
  from mxnet.module.base_module import BaseModule
  from mxnet.module.module import Module
  from mxnet import metric
  from mxnet.model import BatchEndParam
  from mxnet import io
  import mxnet.ndarray
  from config import config
label_desc: Use image node_id 16 for calling the ParallModule obj's underlying member method code with example usage: obj.get_ndarray(context, name, shape) and returns: v