konryd wrote: >> - string building...do they use "+=" or do they build a list >> and use .join() to recombine them efficiently > > > I'm not dead sure about that, but I heard recently that python's been > optimized for that behaviour. That means: using += is almost as fast > as joining list.
For some simple cases, this is true. But it only works in CPython, not say Jython. So it's a better practice to continue using .join(). STeVe -- http://mail.python.org/mailman/listinfo/python-list
