[Tutor] am I missing another simpler structure?

[Bob Gailer]

At 09:14 PM 12/15/2004, Tim Peters wrote:
>[Brian van den Broek]
> > in Marc's check_range thread, I had proposed:
> >
> > def check_in_range(value):
> >
> >     in_range = False
> >     if 9 < value < 90:
> >         in_range = True
> >     return in_range
> >
> > and DogWalker suggested the better:
> >
> > def check_in_range(value):
> >     return 9 < value < 90
> >
> > As I mentioned, I feel as though I have a mental block getting in the
> > way of coming up with code in the smoother fashion of the second snippet
> > above.
>
>Don't feel frustrated -- using Boolean expressions idiomatically is
>very much a learned skill.  So is adding integers, but *that* got
>drilled into you over years, and years, and years.  It won't take
>quite as long to sling bools <wink>.
>
>The worst abuse is one you're perhaps not prone to:  having a Boolean
>expression e, and then writing
>
>     if e == True:
>
>instead of
>
>     if e:
>
>For some reason, that's extremely common in code written by newcomers
>to Pascal.

Not to mention coding examples provided by Microsoft in some help topics!
[snip]

Bob Gailer
bgailer at alum.rpi.edu
303 442 2625 home
720 938 2625 cell