code: def get_use_fp16():
      """
      Get an environment variable which describes if TensorRT is currently running in FP16
      :return: Boolean, true if TensorRT is running in FP16, False for FP32
      """
      return bool(
          int(os.environ.get("MXNET_TENSORRT_USE_FP16", 1)) == 1
      )
  
imports: import os
label_desc: Use image node_id 2 for calling a global function with example usage: get_use_fp16() and returns: bool