code: def _split_anonymous_function(s):
      # Regex is not sufficient to handle differences between anonymous
      # functions and YAML encoded lists. We perform a sniff test to see
      # if it might be an anonymous function and then confirm by
      # decoding it as YAML and testing the result.
      if s[:1] == "[" and s[-1:] == "]" and ":" in s:
          try:
              l = yaml_util.decode_yaml(s)
          except Exception:
              return None, s[1:-1]
          else:
              if len(l) == 1 and isinstance(l[0], (str, int)):
                  return None, s[1:-1]
      return None
  
imports: import logging
  import os
  import re
  import yaml
  from guild import util
  from guild import yaml_util
label_desc: Use image node_id 32 for calling a global function with example usage: _split_anonymous_function(s) and returns: None, None,  s, None,  s