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From: Ethan Carter <ec1828@somewhere.edu>
Newsgroups: comp.lang.python
Subject: Re: an adventure: a Lisp-style linked list
Date: Fri, 05 Sep 2025 13:06:06 -0300
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pa@see.signature.invalid (Pierre Asselin) writes:

> Ethan Carter <ec1828@somewhere.edu> wrote:
>
>>   def __init__(self, d, ls):
>>     self.head = d
>>     self.tail = ls
>
> Why not
>     def __init__(self, d, ls=None):
>
> and avoid the need for a List.Empty ?

Thanks!  That's a good suggestion.