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dot product
def dot(a_vec, b_vec): sum = 0 for index in range(0, len(a_vec)): sum = sum + a_vec[index]*b_vec[index] return sum print dot([3.0, 4.0], [1.0, 2.0]) vector1 = [4, 5, 6, 7, 8, 9] vector2 = [0, 1, 2, 3, 4, 5] print dot(vector1, vector2) #print dot([3.0, 4.0], [1.0, 2.0, 5.0]) #print dot([3.0, 4.0, 5.0], [1.0, 2.0])