from IPython.display import HTML

import nbformat

filename = "01-first-attempt.ipynb"
nb = nbformat.reads(open(filename).read(), as_version=4)

from nbconvert import MarkdownExporter

md = MarkdownExporter(template_name="classic")

(b, r) = md.from_notebook_node(nb)

HTML(f"""
<textarea>{b}</textarea>
""")