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sumOfPowers


Write a function to calculate the sum of the powers of two (other than 1) between 0 and n inclusive. sumOfPowers(10) -> 2 + 4 + 8


sumOfPowers(0) → 0
sumOfPowers(10) → 14
sumOfPowers(2) → 2

...Save, Compile, Run (ctrl-enter)

def sumOfPowers(n):

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