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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 mequ(m1):
 """ Set one double precision 3x3 matrix equal to another. http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/mequ_c.html :param m1: input matrix. :type m1: 3x3-Element Array of floats :return: Output matrix equal to m1. :rtype: 3x3-Element Array of floats """

    m1 = stypes.toDoubleMatrix(m1)
    mout = stypes.emptyDoubleMatrix()
    libspice.mequ_c(m1, mout)
    return stypes.cMatrixToNumpy(mout)