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Re: About python while statement and pop()

From Mark H Harris <harrismh777@gmail.com>
Newsgroups comp.lang.python
Subject Re: About python while statement and pop()
Date 2014-06-12 12:16 -0500
Organization Aioe.org NNTP Server
Message-ID <lncn90$t1m$1@speranza.aioe.org> (permalink)
References <8d6207ab-b883-4940-8e53-75546a91d4dd@googlegroups.com> <lnclm5$oe4$1@speranza.aioe.org> <mailman.11035.1402592234.18130.python-list@python.org>

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On 6/12/14 11:57 AM, Chris Angelico wrote:
>>>>> def poplist(L):
>>          done = False
>>          while done==False:
>>
>>                  yield L[::-1][:1:]
>>                  L = L[::-1][1::][::-1]
>>                  if len(L)==0: done=True
>
> Why not just "while L"?

OK,  here it is with Chris' excellent advice:

 >>> def poplist(L):
	while L:
		yield L[::-1][:1:]
		L = L[::-1][1::][::-1]

		
 >>> L=[1, 2, 3, 4, 5, 6, 7]
 >>> m=[]
 >>> pop = poplist(L)
 >>> for n in poplist(L):
	m.append(n[0])

	
 >>> m
[7, 6, 5, 4, 3, 2, 1]
 >>>


==========  aaaaah  ===================

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Thread

About python while statement and pop() hito koto <hitokoto2014@gmail.com> - 2014-06-11 20:12 -0700
  Re:About python while statement and pop() Dave Angel <davea@davea.name> - 2014-06-11 22:34 -0500
  Re: About python while statement and pop() Vincent Vande Vyvre <vincent.vandevyvre@swing.be> - 2014-06-12 05:40 +0200
  Re: About python while statement and pop() Chris Angelico <rosuav@gmail.com> - 2014-06-12 13:58 +1000
    Re: About python while statement and pop() hito koto <hitokoto2014@gmail.com> - 2014-06-11 21:56 -0700
      Re: About python while statement and pop() Chris Angelico <rosuav@gmail.com> - 2014-06-12 15:08 +1000
      Re: About python while statement and pop() Steven D'Aprano <steve@pearwood.info> - 2014-06-12 05:43 +0000
        Re: About python while statement and pop() hito koto <hitokoto2014@gmail.com> - 2014-06-11 23:06 -0700
        Re: About python while statement and pop() hito koto <hitokoto2014@gmail.com> - 2014-06-12 00:13 -0700
        Re: About python while statement and pop() hito koto <hitokoto2014@gmail.com> - 2014-06-12 02:51 -0700
  Re: About python while statement and pop() Mark H Harris <harrismh777@gmail.com> - 2014-06-12 11:41 -0500
  Re: About python while statement and pop() Mark H Harris <harrismh777@gmail.com> - 2014-06-12 11:49 -0500
    Re: About python while statement and pop() Marko Rauhamaa <marko@pacujo.net> - 2014-06-12 19:55 +0300
      Re: About python while statement and pop() Mark H Harris <harrismh777@gmail.com> - 2014-06-12 12:07 -0500
    Re: About python while statement and pop() Chris Angelico <rosuav@gmail.com> - 2014-06-13 02:57 +1000
      Re: About python while statement and pop() Mark H Harris <harrismh777@gmail.com> - 2014-06-12 12:10 -0500
      Re: About python while statement and pop() Mark H Harris <harrismh777@gmail.com> - 2014-06-12 12:16 -0500
        Re: About python while statement and pop() wxjmfauth@gmail.com - 2014-06-12 11:37 -0700

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