def METHOD_NAME(self):
    convert = html.Markdown(extensions=("fenced-code", ))
    # without lang
    _in = textwrap.dedent("""\
        Hello, World
        ```
        #!/usr/bin/env python
        print("Hello, World")""")
    _out = textwrap.dedent("""\
        <p>Hello, World</p>
        <pre><code>#!/usr/bin/env python
        print("Hello, World")
        </code></pre>""")
    self.assertEqual(convert(_in), _out)
    # w/ lang
    _in = textwrap.dedent("""\
        Hello, World
        ```python
        #!/usr/bin/env python
        print("Hello, World")""")
    _out = textwrap.dedent("""\
        <p>Hello, World</p>
        <pre><code class="python">#!/usr/bin/env python
        print("Hello, World")
        </code></pre>""")