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Guilherme A. Silveira (2) [Avatar] Offline
#1
There's a error in the code of the page 31, in the code below:

This:
def w_sum(a, b):
    assert(len(a) == len(b))
    output = 0
    for i in range(a):
        output += (a[i] * b[i])
    return output


Should be:
def w_sum(a, b):
    assert(len(a) == len(b))
    output = 0
    for i in range(len(a)): #The len(a) was missing
        output += (a[i] * b[i])
    return output