code: def _split_on_find(content, bound):
      point = content.find(bound)
      return content[:point], content[point + len(bound) :]
  
imports: import sys
  import email.parser
  from .encoder import encode_with
  from requests.structures import CaseInsensitiveDict
label_desc: Use image node_id 1 for calling a global function with example usage: _split_on_find(content, bound) and returns: content,  content