lallous wrote: > Hello > > Maybe that's already documented, but it seems the parser accepts to > build a long string w/o really using the first method: > > # Method1 > x = "line1" + \ # cannot use comments! > "line2"+ \ > "line3" > > and instead using a list with one element like this: > > # Method2 > x = [ > "line1" # can use comments > "line2" > "line3" > ][0] > > Or: > # Method3 > x = ( > "line1" # can use comments > "line2" > "line3" > ) > > (Not that I don't want new lines in the strings) > > Now should I be using method 2 or 3 in production code? > I should have thought it was pretty obvious that method 2 creates a list and then performs an indexing operation on it. These are completely unnecessary operations, which are avoided in method 3 which is a simple parenthesised expression.
So why anyone would want to adopt method 2, which is also mess clear as source code, is beyond me. regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 PyCon is coming! Atlanta, Feb 2010 http://us.pycon.org/ Holden Web LLC http://www.holdenweb.com/ UPCOMING EVENTS: http://holdenweb.eventbrite.com/ -- http://mail.python.org/mailman/listinfo/python-list
