code: def run(self, doc):
      self.markdown.images = []
      for image in doc.findall(".//img"):
          self.markdown.images.append(image.get("src"))
  
file_path: mlxtend/docs/ipynb2markdown.py
imports: import glob
  import os
  import shutil
  import subprocess
  import markdown
  from markdown.extensions import Extension
  from markdown.treeprocessors import Treeprocessor
  from nbconvert.exporters import MarkdownExporter
label_desc: Use image node_id 1 for calling the ImgExtractor obj's underlying member method code with example usage: obj.run(doc) without return types