David C. Ullrich wrote: > In article <mailman.2701.1238060157.11746.python-l...@python.org>, > "Paddy O'Loughlin" <patrick.olough...@gmail.com> wrote: > > Here's my favorite thing about Python (you'd of course > remark that it's just a toy example, doing everything > in as dumb but easily understood way as possible): > > x=[1,2] > > print x+x > > class Vector(): > def __init__(self, data): > self.data = data > def __repr__(self): > return repr(self.data) > def __add__(self, other): > return Vector([self.data[0]+other.data[0], > self.data[1]+other.data[1]]) > > x = Vector([1,2]) > > print x+x
that's cute, but if you show them 2.6 or 3 it's even cuter: >>> from operator import add >>> class Vector(list): ... def __add__(self, other): ... return map(add, self, other) ... >>> x = Vector([1,2]) >>> x+x [2, 4] andrew -- http://mail.python.org/mailman/listinfo/python-list
