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| print(sum([1,2,3,4,5,6,7,8,9,]))
print(sum([1,2,3,4,5,6,7,8,9,],5))
iterable = [[1,2],[3,4],[5,6],[7,8]] print(sum(iterable,[0]))
start = [0] for element in iterable: start += element print(start) start = [0]
from functools import reduce from operator import add print(reduce(add,iterable,start))
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