code: def get_detector_name(args):
      detector_name = None
      default_detector = "FasterRCNN"
      if len(args) != 2:
          print(
              "Please provide a detector name as the single argument. Usage:"
          )
          print("    python DetectionDemo.py <detector_name>")
          print("Available detectors: {}".format(available_detectors))
      else:
          detector_name = args[1]
          if not any(detector_name == x for x in available_detectors):
              print("Unknown detector: {}.".format(detector_name))
              print(
                  "Available detectors: {}".format(available_detectors)
              )
              detector_name = None
  
      if detector_name is None:
          print("Using default detector: {}".format(default_detector))
          return default_detector
      else:
          return detector_name
  
imports: import os, sys
  import numpy
  import utils.od_utils
  from utils.config_helpers import merge_configs
label_desc: Use image node_id 1 for calling a global function with example usage: get_detector_name(args) and returns: default_detector, detector_name