[Python-Dev] Customization docs
Guido van Rossum
guido@python.org
Sat, 01 Jun 2002 11:27:48 -0400
> Well, _I_ would have expected this to work:
>
> Python 2.1 (#4, Jun 6 2001, 08:54:49)
> [GCC 2.95.2 19991024 (release)] on linux2
> Type "copyright", "credits" or "license" for more information.
> >>> x = ([],[],[])
> >>> x[1] += [1]
> Traceback (most recent call last):
> File "<stdin>", line 1, in ?
> TypeError: object doesn't support item assignment
Yes, but that can't be fixed without breaking other things. Too bad.
It's not like this is an important use case in real life.
--Guido van Rossum (home page: http://www.python.org/~guido/)