sliding_window_array_multiplication

def sliding_window_array_mul(sliding, base):
    result = []
    while len(sliding) >= len(base):
        total = 0
        for element in base:
            total += element * sliding[base.index(element)]
        result.append(total)
        sliding.pop(0)
    return result

slid_mul = lambda s, b: list(sum(list(map(lambda x: x[0]*x[1], f))) \
            for f in ( list(zip(b, ss)) for ss in list(s[x:] \
            for x in range(len(s)-len(b)+1)) ) )

def main():
    tests = (
        [-1, 2, -2, 3, 41, 38, 22, 10, -1, 3],
        [40, 30, 20, 10],
        [10, 490, 1210, 2330, 3320, 2370, 1190]
    )

    tests2 = (
        [56, -34, 20, -8, 15, 57, 16, 13, 2, -5],
        [5, 10, 15, 20],
        [80, 210, 1385, 1285, 1145, 680, 140]
    )
    tests3 = (
            [-1, 2, -2, 3, 41, 38, 22, 10, -1, 3],
            [40, 30, 20, 10],
            [10, 490, 1210, 2330, 3320, 2370, 1190]
    )
    tests4 = (
        [56, -34, 20, -8, 15, 57, 16, 13, 2, -5],
        [5, 10, 15, 20],
        [80, 210, 1385, 1285, 1145, 680, 140]
    )
    assert sliding_window_array_mul(tests[0], tests[1]) == tests[2]
    assert sliding_window_array_mul(tests2[0], tests2[1]) == tests2[2]

    assert(slid_mul(tests3[0], tests3[1]) == tests3[2])
    assert(slid_mul(tests4[0], tests4[1]) == tests4[2])

    print('done')

if __name__ == '__main__':
    main()