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Groups > comp.lang.python > #79508

Re: I am out of trial and error again Lists

From Denis McMahon <denismfmcmahon@gmail.com>
Newsgroups comp.lang.python
Subject Re: I am out of trial and error again Lists
Date 2014-10-23 09:21 +0000
Organization A noiseless patient Spider
Message-ID <m2ahb7$bjt$2@dont-email.me> (permalink)
References <rr4g4ah01n2efganet7b8oml8uq1qaf9qc@4ax.com> <m29bu2$8ou$1@dont-email.me> <umdg4apqcmhrgi9preu57247opq5m966g0@4ax.com>

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On Wed, 22 Oct 2014 19:11:51 -0400, Seymore4Head wrote:

> On Wed, 22 Oct 2014 22:43:14 +0000 (UTC), Denis McMahon
> <denismfmcmahon@gmail.com> wrote:
> 
>>On Wed, 22 Oct 2014 16:30:37 -0400, Seymore4Head wrote:
>>
>>> def nametonumber(name):
>>>     lst=[""]
>>>     for x,y in enumerate (name):
>>>         lst=lst.append(y)
>>>     print (lst)
>>>     return (lst)
>>> a=["1-800-getcharter"]
>>> print (nametonumber(a))#18004382427837
>>>     
>>>     
>>> The syntax for when to use a () and when to use [] still throws me a
>>> curve.
>>> 
>>> For now, I am trying to end up with a list that has each character in
>>> "a" as a single item.
>>> 
>>> I get:
>>> None None
>>
>>First of all, an empty list is created with:
>>
>>emptylist = []
>>
>>whereas
>>
>>x = [""]
>>
>>creates a list containing one element, that element being an empty
>>string. Not the same thing!
>>
>>Did you try stepping through your code line by line in the interpreter
>>to see what happened at each step?
>>
>>note that append is a method of a list object, it has no return value,
>>the original list is modified in place.
>>
>>>>> l = ["a","b","c"]   # declare a list l.append( "d" )     # use the
>>>>> append method l                   # show the list
>>['a', 'b', 'c', 'd']
>>
>>So your line:
>>
>>lst = lst.append(y)
>>
>>should be:
>>
>>lst.append(y)
>>
>>Finally, did you really intend to pass a single element list into the
>>function, or did you intend to pass a string into the function?
>>
> Those string errors were desperate attempts to fix the "append" error I
> didn't understand.

If you don't understand the error, that is the point that you should ask 
for help, rather than make stab in the dark attempts to fix it and then 
asking why the solutions don't work.

-- 
Denis McMahon, denismfmcmahon@gmail.com

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I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 16:30 -0400
  Re: I am out of trial and error again Lists Joel Goldstick <joel.goldstick@gmail.com> - 2014-10-22 16:57 -0400
    Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 17:04 -0400
      Re: I am out of trial and error again Lists sohcahtoa82@gmail.com - 2014-10-22 14:35 -0700
        Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 17:38 -0400
  Re: I am out of trial and error again Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-22 22:28 +0100
  Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 18:30 -0400
    Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 18:32 -0400
    Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-22 23:55 +0100
      Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 19:26 -0400
        Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-23 00:44 +0100
          Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 20:02 -0400
            Re: I am out of trial and error again  Lists MRAB <python@mrabarnett.plus.com> - 2014-10-23 02:29 +0100
            Re: I am out of trial and error again  Lists alex23 <wuwei23@gmail.com> - 2014-10-23 11:37 +1000
              Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 21:52 -0400
            Re: I am out of trial and error again  Lists Larry Hudson <orgnut@yahoo.com> - 2014-10-22 19:58 -0700
              Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 23:05 -0400
              Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-22 20:16 -0700
              Re: I am out of trial and error again  Lists Terry Reedy <tjreedy@udel.edu> - 2014-10-23 02:31 -0400
    Re: I am out of trial and error again  Lists MRAB <python@mrabarnett.plus.com> - 2014-10-23 00:09 +0100
    Re: I am out of trial and error again  Lists Larry Hudson <orgnut@yahoo.com> - 2014-10-23 00:10 -0700
      Re: I am out of trial and error again  Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-23 09:23 -0400
        Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 10:00 -0400
          Re: I am out of trial and error again  Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-23 20:23 -0400
      Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 09:53 -0400
    Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-23 09:15 +0000
      Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 10:04 -0400
        Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-23 15:55 +0000
          Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 13:01 -0400
            Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 13:07 -0400
              Re: I am out of trial and error again Lists Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-23 13:39 -0600
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 16:15 -0400
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 16:44 -0400
                Re: I am out of trial and error again Lists MRAB <python@mrabarnett.plus.com> - 2014-10-23 22:03 +0100
                Re: I am out of trial and error again Lists Larry Hudson <orgnut@yahoo.com> - 2014-10-23 19:13 -0700
              Re: I am out of trial and error again Lists Terry Reedy <tjreedy@udel.edu> - 2014-10-23 23:14 -0400
              Re: I am out of trial and error again Lists Chris Angelico <rosuav@gmail.com> - 2014-10-24 14:32 +1100
            Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-23 21:56 -0700
              Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 10:38 -0400
                Re: I am out of trial and error again Lists Chris Angelico <rosuav@gmail.com> - 2014-10-25 01:51 +1100
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 11:04 -0400
                Re: I am out of trial and error again Lists Chris Angelico <rosuav@gmail.com> - 2014-10-25 02:13 +1100
                Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 08:56 -0700
                Re: I am out of trial and error again Lists Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-24 10:35 -0600
                Re: I am out of trial and error again Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 10:10 -0700
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 12:37 -0400
                Re: I am out of trial and error again Lists Chris Angelico <rosuav@gmail.com> - 2014-10-25 03:47 +1100
                Re: I am out of trial and error again Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 09:56 -0700
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 13:03 -0400
                Re: I am out of trial and error again Lists "Albert Visser" <albert.visser@gmail.com> - 2014-10-24 19:18 +0200
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 13:23 -0400
                Re: I am out of trial and error again Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 10:42 -0700
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 13:42 -0400
                Re: I am out of trial and error again Lists Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-24 11:52 -0600
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 14:15 -0400
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 14:20 -0400
                Re: I am out of trial and error again Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-24 19:40 +0100
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 15:07 -0400
                Re: I am out of trial and error again Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-24 21:49 +0000
                Re: I am out of trial and error again Lists Larry Hudson <orgnut@yahoo.com> - 2014-10-24 23:46 -0700
                Re: I am out of trial and error again Lists Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-25 08:17 -0600
                Re: I am out of trial and error again Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-25 14:47 -0400
                Re: I am out of trial and error again Lists sohcahtoa82@gmail.com - 2014-10-24 11:57 -0700
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 15:09 -0400
                Re: I am out of trial and error again Lists sohcahtoa82@gmail.com - 2014-10-24 12:25 -0700
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 15:33 -0400
                Re: I am out of trial and error again Lists sohcahtoa82@gmail.com - 2014-10-24 12:55 -0700
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 16:00 -0400
                Re: I am out of trial and error again Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-24 21:19 +0000
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 17:35 -0400
                Re: I am out of trial and error again Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-24 23:23 +0000
                Re: I am out of trial and error again Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-25 14:37 -0400
                Re: I am out of trial and error again Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-24 19:33 +0100
                Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 09:54 -0700
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 13:04 -0400
                Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 10:17 -0700
                Re: I am out of trial and error again  Lists Dave Angel <davea@davea.name> - 2014-10-24 18:09 -0400
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 18:27 -0400
                Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 16:01 -0700
                Re: I am out of trial and error again  Lists Terry Reedy <tjreedy@udel.edu> - 2014-10-24 20:27 -0400
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 20:42 -0400
                Re: I am out of trial and error again Lists Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-24 11:05 -0600
                Re: I am out of trial and error again Lists Chris Angelico <rosuav@gmail.com> - 2014-10-25 04:10 +1100
                Re: I am out of trial and error again  Lists Larry Hudson <orgnut@yahoo.com> - 2014-10-24 23:04 -0700
                Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-24 20:37 +0000
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 16:58 -0400
                Re: I am out of trial and error again  Lists alister <alister.nospam.ware@ntlworld.com> - 2014-10-24 21:07 +0000
                Re: I am out of trial and error again Lists Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-24 15:11 -0600
                Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-24 23:21 +0000
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 19:48 -0400
                Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-24 21:48 +0000
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 18:14 -0400
                Re: I am out of trial and error again  Lists Grant Edwards <invalid@invalid.invalid> - 2014-10-25 15:01 +0000
                Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-25 20:51 +0000
                Re: I am out of trial and error again  Lists Larry Hudson <orgnut@yahoo.com> - 2014-10-24 19:16 -0700
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 22:41 -0400
                Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-25 08:25 +0100
                Re: I am out of trial and error again  Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-25 15:10 -0400
                Re: I am out of trial and error again  Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-25 14:23 -0400
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-25 14:42 -0400
                Re: I am out of trial and error again  Lists Terry Reedy <tjreedy@udel.edu> - 2014-10-25 18:48 -0400
                Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-26 00:25 +0100
                Re: I am out of trial and error again  Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-26 01:08 -0400
                Re: I am out of trial and error again  Lists Terry Reedy <tjreedy@udel.edu> - 2014-10-26 17:44 -0400
                Re: I am out of trial and error again  Lists Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-26 20:57 -0400
  Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-22 22:43 +0000
    Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 19:11 -0400
      The “trials” in “trial and error” should be as simple as possible (was: I am out of trial and error again  Lists) Ben Finney <ben+python@benfinney.id.au> - 2014-10-23 10:59 +1100
      Re: I am out of trial and error again  Lists Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-23 11:05 +1100
        Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 20:10 -0400
          Re: I am out of trial and error again  Lists MRAB <python@mrabarnett.plus.com> - 2014-10-23 02:31 +0100
            Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 21:35 -0400
              Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-22 21:57 -0400
                Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-23 08:20 +0100
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 10:01 -0400
                Re: I am out of trial and error again Lists Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-23 01:56 -0600
                Re: I am out of trial and error again Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-23 09:09 +0100
                Re: I am out of trial and error again Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-23 06:42 -0700
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 10:03 -0400
                Re: I am out of trial and error again Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-23 08:35 -0700
                Re: I am out of trial and error again Lists giacomo boffi <pecore@pascolo.net> - 2014-10-23 16:25 +0200
                Re: I am out of trial and error again Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 10:29 -0400
                Re: I am out of trial and error again Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-23 16:00 +0000
              Re: I am out of trial and error again  Lists giacomo boffi <pecore@pascolo.net> - 2014-10-23 16:40 +0200
                Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-23 10:46 -0400
                Re: I am out of trial and error again  Lists giacomo boffi <pecore@pascolo.net> - 2014-10-24 17:56 +0200
      Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-23 09:21 +0000
  Re: I am out of trial and error again  Lists Tobiah <toby@tobiah.org> - 2014-10-23 07:51 -0700
  Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-24 08:05 +0100
    Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 10:47 -0400
      Re: I am out of trial and error again  Lists mm0fmf <none@mailinator.com> - 2014-10-24 22:06 +0100
  Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-24 09:12 +0100
    Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 10:48 -0400
  Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 18:26 -0400
  Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 18:58 -0400
    Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 16:27 -0700
      Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 19:48 -0400
        Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 19:57 -0400
          Re: I am out of trial and error again  Lists MRAB <python@mrabarnett.plus.com> - 2014-10-25 01:20 +0100
            Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 20:37 -0400
              Re: I am out of trial and error again  Lists Cameron Simpson <cs@zip.com.au> - 2014-10-25 11:52 +1100
        Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 20:46 -0700
          Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 21:09 -0700
            Re: I am out of trial and error again  Lists Ben Finney <ben+python@benfinney.id.au> - 2014-10-25 15:25 +1100
              Re: I am out of trial and error again  Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 22:40 -0700
                Re: I am out of trial and error again Lists Chris Angelico <rosuav@gmail.com> - 2014-10-25 16:49 +1100
                Re: I am out of trial and error again Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-24 22:55 -0700
                Re: I am out of trial and error again Lists Chris Angelico <rosuav@gmail.com> - 2014-10-25 17:03 +1100
                Re: I am out of trial and error again Lists Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-25 18:44 +1100
                Re: I am out of trial and error again Lists Rustom Mody <rustompmody@gmail.com> - 2014-10-25 10:24 -0700
                Side-effects [was Re: I am out of trial and error again Lists] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-26 17:12 +1100
                Re: Side-effects [was Re: I am out of trial and error again Lists] Chris Angelico <rosuav@gmail.com> - 2014-10-26 17:42 +1100
          Re: I am out of trial and error again  Lists giacomo boffi <pecore@pascolo.net> - 2014-10-27 22:26 +0100
    Re: I am out of trial and error again  Lists Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-25 00:27 +0100
    Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-24 23:35 +0000
  Re: I am out of trial and error again  Lists Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-24 20:15 -0400
    Re: I am out of trial and error again  Lists Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-25 22:15 +0000

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