[gkbrk]

There's many, but here's just one.

    Python 3.7.9 (default, Aug 23 2020, 00:57:53)
    [Clang 10.0.1 ] on linux
    Type "help", "copyright", "credits" or "license" for more information.
    >>> import cgi
    >>>

    Python 3.13.0 (main, Oct  8 2024, 01:04:00) [Clang 18.1.8 ] on linux
    Type "help", "copyright", "credits" or "license" for more information.
    >>> import cgi
    Traceback (most recent call last):
      File "<python-input-0>", line 1, in <module>
        import cgi
    ModuleNotFoundError: No module named 'cgi'