On Sep 16, 11:56 am, cesco <[EMAIL PROTECTED]> wrote: > Hi, > > I have the following list: > l = [1, 2, 3, 4] > and I'd like to obtain a list like the following: > l_partial_sum = [1, 3, 6, 10] (that is [1, 1+2, 1+2+3, 1+2+3+4]) > > Is there a simple way to accomplish this? > > I came up with the following solution but it seems a bit too > elaborated for the task: > l_partial_sum = [reduce(lambda x,y:x+y, sub_l) for sub_l in [l[:i+1] > for i in range(len(l))]] > > Any help will be appreciated. > > Thanks > Francesco
>>> l = [1, 2, 3, 4] >>> [sum(l[:x+1]) for x in xrange(len(l))] [1, 3, 6, 10] - Björn Kempén
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