code: def set_use_fp16(status):
      """
      Set an environment variable which will enable or disable the use of FP16 precision in
      TensorRT
      Note: The mode FP16 force the whole TRT node to be executed in FP16
      :param status: Boolean, True if TensorRT should run in FP16, False for FP32
      """
      os.environ["MXNET_TENSORRT_USE_FP16"] = str(int(status))
  
imports: import os
label_desc: Use image node_id 1 for calling a global function with example usage: set_use_fp16(status) without return types