code: def parse_kwarg(kwarg_str):
      key, value = kwarg_str.split("=")
      try:
          value = ast.literal_eval(value)
      except ValueError:
          pass
      return key, value
  
imports: import argparse
  import ast
  from caffe2.python import brew, workspace
  from caffe2.python.model_helper import ModelHelper
  from caffe2.python.predictor import mobile_exporter
label_desc: Use image node_id 1 for calling a global function with example usage: parse_kwarg(kwarg_str) and returns: key,  value