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To: python-list@python.org
From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject: Re: I am out of trial and error again  Lists
Date: Sun, 26 Oct 2014 00:25:30 +0100
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Xref: csiph.com comp.lang.python:79691

On 25/10/2014 23:48, Terry Reedy wrote:
> On 10/25/2014 2:23 PM, Dennis Lee Bieber wrote:
>> On Fri, 24 Oct 2014 10:38:31 -0400, Seymore4Head
>> <Seymore4Head@Hotmail.invalid> declaimed the following:
>>
>>>
>>> I do get the difference.  I don't actually use Python 2.  I use
>>> CodeSkulptor.  I do have Python 3 installed.  Actually I have Python 2
>>> installed but IDLE defaults to Python 3.
>
> This is wrong.  Pythonx.y runs Idlex.y, not vice versa.
> Seymore installed some version of Python 3 as default, as he should
> have, and 'Edit with Idle' opens the default version of Python, with its
> version of Idle.
>
>  >> So it is a pain to actually load Python 2.
>
> Not really, neither on linux or Windows.
>
>>     So don't use Idle...
>
> Since Seymore analysis is wrong, this advice in not the answer.
> If he is running on Windows, it is dubious in that the Windows console
> interpreter is a pain to use.
>
>  > Open up a Windows command shell and invoke Python
>> without giving a script file to execute.
>>
>> C:\Users\Wulfraed\Documents>python
>
> python -m idlelib will open the corresponding Idle. So will the Start
> menu entry or an icon pinned to the taskbar.
>
>> C:\Users\Wulfraed\Documents>python3
>
> You must have done something extra to make this work on Windows.
>

The Python launcher for Windows should be taken into account here 
http://legacy.python.org/dev/peps/pep-0397/

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence