code: def string_similarity(str1, str2):
      matcher = SequenceMatcher(None, str1, str2)
      similarity_ratio = matcher.ratio()
      return similarity_ratio
  
imports: import torch
  import deepspeed
  from transformers import pipeline
  from difflib import SequenceMatcher
  from argparse import ArgumentParser
  from deepspeed.accelerator import get_accelerator
label_desc: Use image node_id 1 for calling a global function with example usage: string_similarity(str1, str2) and returns: similarity_ratio