accumulator generators

[Kirk Strauser]

At 2008-05-30T19:50:43Z, Cameron <cameronlarue at gmail.com> writes:

> Why does that work, but not this:
>
> def foo(n):
>   s = n
>   def bar(i):
>     s += i
>     return s
>   return bar

Assume that n is an int, making s one also.  Ints are immutable; you can
only copy them.  So your bar is taking s, adding i to it, then assigning the
value back to the local variable named s.
-- 
Kirk Strauser
The Day Companies