While loop help

[Dave Angel]

On 04/09/2013 03:35 PM, Walter Hurry wrote:
> On Wed, 10 Apr 2013 02:10:29 +1000, Chris Angelico wrote:
>
>> On Wed, Apr 10, 2013 at 1:47 AM,  <thomasancilleri at gmail.com> wrote:
>>> ... I'm not sure what version I'm using ...
>>
>> Try putting these lines into a Python script:
>>
>> import sys
>> print(sys.version)
>>
> That works (of course), but in every Python version I've seen, one merely
> needs to invoke the python interactive interpreter and the banner is
> displayed:
>
> $ python
> Python 2.7.3 (default, Aug  9 2012, 17:23:57)
> [GCC 4.7.1 20120720 (Red Hat 4.7.1-5)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> quit()
> $
>

And if several are installed, that isn't necessarily the one that'll run 
when one runs a script.  Depends on how the script is invoked (and on 
what OS is running), and on the shebang line, PATH, etc.

The real point about those two lines is that they can be added to most 
scripts.

-- 
DaveA