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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 flip_ctrlpts_u(ctrlpts, size_u, size_v):
 """ Flips a list of 1-dimensional control points from u-row order to v-row order. **u-row order**: each row corresponds to a list of u values **v-row order**: each row corresponds to a list of v values :param ctrlpts: control points in u-row order :type ctrlpts: list, tuple :param size_u: size in u-direction :type size_u: int :param size_v: size in v-direction :type size_v: int :return: control points in v-row order :rtype: list """

    new_ctrlpts = []
    for i in range(0, size_u):
        for j in range(0, size_v):
            temp = [float(c) for c in ctrlpts[i + (j * size_u)]]
            new_ctrlpts.append(temp)

    return new_ctrlpts