def dot(self, other):
        """Calculates the dot product of this vector and another vector."""
        dot_product = 0
        a = self.elements
        b = other.elements
        a_len = len(a)
        b_len = len(b)
        i = j = 0

        while i < a_len and j < b_len:
            a_val = a[i]
            b_val = b[j]
            if a_val < b_val:
                i += 2
            elif a_val > b_val:
                j += 2
            else:
                dot_product += a[i + 1] * b[j + 1]
                i += 2
                j += 2

        return dot_product
def dot ( self , other ) : dot_product = 0 a = self . elements b = other . elements a_len = len ( a ) b_len = len ( b ) i = j = 0 while i < a_len and j < b_len : a_val = a [ i ] b_val = b [ j ] if a_val < b_val : i += 2 elif a_val > b_val : j += 2 else : dot_product += a [ i + 1 ] * b [ j + 1 ] i += 2 j += 2 return dot_product
Calculates the dot product of this vector and another vector.