Sum_it_continuously.md

CodeWars Python Solutions

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Sum it continuously

Make a function "add" that will be able to sum elements of list continuously and return a new list of sums.

For example:

add [1,2,3,4,5] == [1, 3, 6, 10, 15], because it's calculated like
this : [1, 1 + 2, 1 + 2 + 3, 1 + 2 + 3 + 4, 1 + 2 + 3 + 4 + 5]

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Given Code

def add(l):
    pass

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Solution

def add(l):
    n = []
    x = 0
    for i in l:
        if len(n) == 0:
            n.append(i)
        else:
            n.append(i+x)
        x += i
    return n

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