def cross_prod(a, b):
    return [a[1] * b[2] - a[2] * b[1],
            a[0] * b[2] - a[2] * b[0],
            a[0] * b[1] - a[1] * b[0]]
dataset/ETHPy150Open google/roboto/third_party/spiro/curves/mecsolve.py/cross_prod/swapped operands of `-`