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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 trans_from_matrix(matrix):
 """ Convert a vtk matrix to a numpy.ndarray """

    t = np.zeros((4, 4))
    for i in range(4):
        for j in range(4):
            t[i, j] = matrix.GetElement(i, j)
    return t