[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
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