code: def removeHyphen(example):
      example_clean = {}
      for key in example.keys():
          if "-" in key:
              new_key = key.replace("-", "_")
              example_clean[new_key] = example[key]
          else:
              example_clean[key] = example[key]
      example = example_clean
      return example
  
file_path: promptsource/promptsource/utils.py
imports: import os
  import datasets
  import requests
  from promptsource import DEFAULT_PROMPTSOURCE_CACHE_HOME
  from promptsource.templates import INCLUDED_USERS
label_desc: Use image node_id 1 for calling a global function with example usage: removeHyphen(example) and returns: example