C Smith wrote:
Alternatively, the list class can be appended with helpers like 'turn'
and 'segment' which can actually turn the "ring" and remove a piece
from it without worrying about the endpoint:
###
>>> class ring(list):
def turn(self, incr=1):
incr%=len(self)
self[:]
Thanks to Sean and Kent for replies. I found a site that provided some
good examples, too, at
http://www.cafepy.com/articles/python_attributes_and_methods/
ch03s02.html
Here's a blurb from the title page:
wep page excerpt
Shalabh Chaturvedi
Copyright © 2004 Shalabh Chaturvedi
This book
Sean Perry wrote:
C Smith wrote:
###
class Ring(list):
def __init__(self, l):
self[:] = l
self._zero = 0
def turn(self, incr=1):
self._zero+=incr
def __getitem__(self, i):
return self[(i-self._zero)%len(self)]
l=Ring(range(10))
print l
l.turn(5)
pr
C Smith wrote:
###
class Ring(list):
def __init__(self, l):
self[:] = l
self._zero = 0
def turn(self, incr=1):
self._zero+=incr
def __getitem__(self, i):
return self[(i-self._zero)%len(self)]
l=Ring(range(10))
print l
l.turn(5)
print l#same a
