On Aug 22, 4:55 pm, Peter Otten <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > DrScheme is an implementation of Scheme that is very newbie-friendly. > > It has several limited sub-languages, etc. > > > So maybe a command line option can be added to Python3 ( - > > newbie ? :-) ) that just switches on similar warnings, to help newbies > > (in schools, where there's a teacher that encourages to always use > > that command line option) avoid some of the most common traps. > > Or maybe bundle pychecker with idle? > > $ cat tmp.py > def test(x, a=[]): > a.append(x) > return a > > for i in range(5): > print test(i) > > $ pychecker tmp.py > Processing tmp... > [0] > [0, 1] > [0, 1, 2] > [0, 1, 2, 3] > [0, 1, 2, 3, 4] > > Warnings... > > tmp.py:2: Modifying parameter (a) with a default value may have unexpected > consequences > > Though it might be interesting to ask a newbie what he expects when warned > of "unexpected consequences" ;) > > Peter
+1 on this. It seems an obvious think to add to a lint-like tool rather than burdening core Python. - Paddy. -- http://mail.python.org/mailman/listinfo/python-list
