code: def _start_comment(_element):
      _comment = ""
      cmt = _element.ca.comment
      try:
          _comment = cmt[1][0].value
      except Exception:
          pass
  
      return _comment
  
imports: import sys
  import argparse
  from argparse import Namespace
  import os, shutil
  import getopt
  from ruamel.yaml import YAML, yaml_object
  from ruamel.yaml.comments import CommentedSeq, CommentedMap
  from ruamel.yaml.tokens import CommentToken
label_desc: Use image node_id 5 for calling a global function with example usage: _start_comment(_element) and returns: _comment