code: def create_notebook(cells):
      """Create a notebook with `cells`."""
      return nbformat.notebooknode.NotebookNode(
          {
              "cells": cells,
              "metadata": {},
              "nbformat": 4,
              "nbformat_minor": 4,
          }
      )
  
imports: import nbformat
  import os
  import re
  import shutil
label_desc: Use image node_id 15 for calling a global function with example usage: create_notebook(cells) and returns: nbformat