cnb wrote:
this recursive definition of sum thrumped me, is this some sort of
gotcha or am I just braindead today?
and yes i know this is easy a a for x in xs acc += x or just using the
builtin.
def suma(xs, acc=0):
if len(xs) == 0:
acc
else:
suma(
On Sep 14, 9:44 am, "Marco Bizzarri" <[EMAIL PROTECTED]> wrote:
> On Sun, Sep 14, 2008 at 10:08 AM, Marco Bizzarri
>
>
>
> <[EMAIL PROTECTED]> wrote:
> > On Sun, Sep 14, 2008 at 10:01 AM, cnb <[EMAIL PROTECTED]> wrote:
> >> this recursive definition of sum thrumped me, is this some sort of
> >> got
On Sun, Sep 14, 2008 at 10:08 AM, Marco Bizzarri
<[EMAIL PROTECTED]> wrote:
> On Sun, Sep 14, 2008 at 10:01 AM, cnb <[EMAIL PROTECTED]> wrote:
>> this recursive definition of sum thrumped me, is this some sort of
>> gotcha or am I just braindead today?
>> and yes i know this is easy a a for x in xs
On Sep 14, 9:01 am, cnb <[EMAIL PROTECTED]> wrote:
> def suma(xs, acc=0):
> if len(xs) == 0:
> acc
> else:
> suma(xs[1:], acc+xs[0])
>
> it returns none.
Yep, that's because there is no "return" statement anywhere. Python
doesn't return expressions "
On Sun, Sep 14, 2008 at 10:01 AM, cnb <[EMAIL PROTECTED]> wrote:
> this recursive definition of sum thrumped me, is this some sort of
> gotcha or am I just braindead today?
> and yes i know this is easy a a for x in xs acc += x or just using the
> builtin.
>
> def suma(xs, acc=0):
>if len(x
this recursive definition of sum thrumped me, is this some sort of
gotcha or am I just braindead today?
and yes i know this is easy a a for x in xs acc += x or just using the
builtin.
def suma(xs, acc=0):
if len(xs) == 0:
acc
else:
suma(xs[1:], acc+x
