code: def parse_page(raw_page):
    
    ret = {"title": get_title(raw_page), "id": get_id(raw_page)}
    if ":" in ret["title"]:
      return None
    ret["revisions"] = get_revisions(raw_page)
    return ret
docs: Create a dictionary with title, id, and list of revisions.
  
    The dictionary contains:
    "title": a string
    "id": an integer
    "revisions": a list of strings
  
    Args:
      raw_page: a string
  
    Returns:
      a dictionary, or None in the case of an error.