.py file won't open in windows 7

[Tim Golden]

On 04/02/2016 13:09, Tim Golden wrote:
> On 04/02/2016 12:52, Yossifoff Yossif wrote:
>> Hallow,
>> I try to open a .py file (attached), but what I get is a windows DOS window opening and closing in a couple of seconds. Ran repair of the program, nothing happened.
>> I cannot see error messages and don't know where to look for ones.
>> Would appreciate your piece of advice.
> 
> Attachments won't make it through to the list, Yossif. But your code is
> basically something like this:
> 
> """
> import sys
> 
> def main():
>   # calculate stuff
>   print(stuff)
> 
> if __name__ == '__main__':
>   sys.exit(main())
> """
> 
> In that case, the program starts (in a console window), runs, prints the
> result, and then closes. You've got a few simple ways of seeing the output:


... or run within a development environment. Python itself ships with IDLE:

  https://docs.python.org/3/library/idle.html

but there are plenty of others:

  https://wiki.python.org/moin/IntegratedDevelopmentEnvironments

TJG