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Re: Is there an meaning of '[[]]' in a list?

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From Nagy László Zsolt <gandalf@shopzeus.com>
Newsgroups comp.lang.python
Subject Re: Is there an meaning of '[[]]' in a list?
Date Thu, 19 Nov 2015 12:36:46 +0100
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> I have question: Is there any difference between [[]] and []?
Yes.

[] - a list with zero elements. That is an empty list.
[[]] - A list with one element. (That element is an empty list.)

> [[]] can have deeper assignment and use than 
You can have it as deep as you want, if you have enough memory.

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Thread

Is there an meaning of '[[]]' in a list? fl <rxjwg98@gmail.com> - 2015-11-19 03:28 -0800
  Re: Is there an meaning of '[[]]' in a list? Nagy László Zsolt <gandalf@shopzeus.com> - 2015-11-19 12:36 +0100
  Re: Is there an meaning of '[[]]' in a list? Peter Otten <__peter__@web.de> - 2015-11-19 12:40 +0100
    Re: Is there an meaning of '[[]]' in a list? Quivis <quivis@domain.invalid> - 2015-11-22 23:25 +0000
      Re: Is there an meaning of '[[]]' in a list? Joel Goldstick <joel.goldstick@gmail.com> - 2015-11-22 19:08 -0500
      Re: Is there an meaning of '[[]]' in a list? Peter Otten <__peter__@web.de> - 2015-11-23 09:57 +0100
      Re: Is there an meaning of '[[]]' in a list? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-25 12:04 +0100
  Re: Is there an meaning of '[[]]' in a list? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-11-19 16:26 +0000

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