Dick Moores wrote: >> If your interested, this could be done succinctly with set types. (no >> iterating required!)
> Done. I had no idea set could be used that way! With a couple of > modifications, I used your ideas in both <buggy_For_Web5b.py> and > <getCrew_ForWeb2.py> (see the thread I started, < > http://www.nabble.com/An-idea-for-a-script-tf4603558.html#a13149808 >). You might as well create the set of disallowed letters just once: astr = set(ascii_letters + digits + '-_') > >> OR... >> >> my_list = filter(well_formed, my_list) > > I'll look into "filter". The list comp form is actually preferred and IIRC filter() has been eliminated from Python 3. > > A question: > > Here's my(yours) well_formed(): > > def well_formed(word, astr): > """ > Returns True if set(<a string>) - set(<a string>) is empty; False if > not. > """ > return not set(word) - set(astr) > > Is it OK to use <a string> like that in a docstring? Sure why not? Kent _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
