dhruvbird wrote: > I have a list of integers: x = [ 0, 1, 2, 1, 1, 0, 0, 2, 3 ] > And would like to compute the cumulative sum of all the integers > from index zero into another array. So for the array above, I should > get: [ 0, 1, 3, 4, 5, 5, 5, 7, 10 ] > What is the best way (or pythonic way) to get this.
Homework? >>> def cumulative_sum(values, start=0): ... for v in values: ... start += v ... yield start ... >>> list(cumulative_sum([ 0, 1, 2, 1, 1, 0, 0, 2, 3 ])) [0, 1, 3, 4, 5, 5, 5, 7, 10] Peter -- http://mail.python.org/mailman/listinfo/python-list