lisper learning python, ... could you please comment my first python program?

neptundancer at neptundancer at
Sun Aug 26 21:17:39 CEST 2007

On Aug 26, 7:40 pm, Michele Simionato <michele.simion... at>
> On Aug 26, 5:56 pm, neptundan... at wrote:
> > Hi,
> >   to extend my skills, I am learning python. I have written small
> > program which computes math expression like "1+2*sin(y^10)/cos(x*y)"
> > and similar, so far only + - * / ^ sin con tan sqrt are supported. But
> > my program is quite inextensible, I have to change the code to add new
> > functions... Could some fellow experienced pythonista give me some
> > tips how to make my program shorter, and more extensible?
> I understand that you are doing this as a learning exercise. Still, I
> would
> recommend you to have a look at the shlex module in the standard
> library
> and to pyparsing. Looking at their source code should should give you
> some
> idea. BTW, since you are familiar with Lisp, I would recommend you
> IPython
> for a better interactive experience.
>   Michele Simionato

thanks for the tip! Now I have IPython working nicely. The shell now
looks a little like Christmas tree but I think it can be reduced a
bit ;)
the ?var and auto completion is exactly what I was looking for!


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