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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def vector_sum(vector1, vector2, coeff=1.0):
 """ Sums the vectors. This function computes the result of the vector operation :math:`\\overline{v}_{1} + c * \\overline{v}_{2}`, where :math:`\\overline{v}_{1}` is ``vector1``, :math:`\\overline{v}_{2}` is ``vector2`` and :math:`c` is ``coeff``. :param vector1: vector 1 :type vector1: list, tuple :param vector2: vector 2 :type vector2: list, tuple :param coeff: multiplier for vector 2 :type coeff: float :return: updated vector :rtype: list """

    summed_vector = [v1 + (coeff * v2) for v1, v2 in zip(vector1, vector2)]
    return summed_vector