On Fri, Sep 16, 2011 at 1:21 PM, zombie <thatiparthysreeni...@gmail.com> wrote: > Hi guys, > i am writing a program to sum up the digits of a number 2**1000? > Is there a way/formula to do it without expanding it?
Possibly, but why worry about it? It's only around 300 digits. Since this sounds like homework, I won't post the one-liner I used to do it the brute-force way, but I will note that it takes about 200 microseconds to run on my laptop. Cheers, Ian -- http://mail.python.org/mailman/listinfo/python-list
