[Python-Dev] transitioning from % to {} formatting

Guido van Rossum guido at python.org
Mon Oct 5 17:28:27 CEST 2009

\>> I hate calling methods on string literals, I think it looks very odd
>> to have code like this:
>>   "Displaying {0} of {1} revisions".format(x, y)
> Ugh!  Good point.

This objection was made years ago when we introduced
"separator".join(list_of_things), and I don't think ignoring it has
caused any casualties. In fact, it serves as an early reminder to the
user that string literals are, in fact, objects like all others.

--Guido van Rossum (home page: http://www.python.org/~guido/)

More information about the Python-Dev mailing list