ok</a></li>
  <li><a href="#save_notebook" id="toc-save_notebook" class="nav-link" data-scroll-target="#save_notebook">save_notebook</a></li>
  <li><a href="#show_big_dataframe" id="toc-show_big_dataframe" class="nav-link" data-scroll-target="#show_big_dataframe">show_big_dataframe</a></li>
  <li><a href="#display_dfs_side_by_side" id="toc-display_dfs_side_by_side" class="nav-link" data-scroll-target="#display_dfs_side_by_side">display_dfs_side_by_side</a></li>
  <li><a href="#h6" id="toc-h6" class="nav-lin