code: def _natural_key(string_):
      return [
          int(s) if s.isdigit() else s
          for s in re.split(r"(\d+)", string_.lower())
      ]
  
file_path: generalized-moe/domainbed/registry.py
imports: import sys
  import re
  import fnmatch
  from collections import defaultdict
  from copy import deepcopy
label_desc: Use image node_id 2 for calling a global function with example usage: _natural_key(string_) and returns: unknown