On Saturday, October 25, 2014 1:15:09 PM UTC+5:30, Steven D'Aprano wrote: > Rustom Mody wrote: > > > On Saturday, October 25, 2014 11:20:03 AM UTC+5:30, Chris Angelico wrote: > >> On Sat, Oct 25, 2014 at 4:40 PM, Rustom Mody wrote: > >> > Its generally accepted that side-effecting functions are not a good > >> > idea -- typically a function that returns something and changes global > >> > state. > >> > >> Only in certain circles. Not in Python. There are large numbers of > >> functions with side effects (mutator methods like list.append, > >> anything that needs lots of state like random.random, everything with > >> external effect like I/O, heaps of stuff), and it is most definitely > >> not frowned upon. > >> > >> In Python 3 (or Python 2 with the future directive), print is a > >> function, print() an expression. It's not "semantically a statement". > > > > Ok > > So give me a valid (ie useful) use where instead of the usual > > l=[1,2,3] > > l.append(4) > > > > we have > > > > foo(l.append(4)) > > Your question seems to be non-sequitor. To me, it doesn't appear to have any > relationship to Chris' comments.
I am going to leave undisturbed Seymore's thread for whom these nit-picks are unlikely to be helpful Answer in another one -- https://mail.python.org/mailman/listinfo/python-list
