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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 vsubg(v1, v2, ndim):
 """ Compute the difference between two double precision vectors of arbitrary dimension. http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/vsubg_c.html :param v1: First vector (minuend). :type v1: Array of floats :param v2: Second vector (subtrahend). :type v2: Array of floats :param ndim: Dimension of v1, v2, and vout. :type ndim: int :return: Difference vector, v1 - v2. :rtype: Array of floats """

    v1 = stypes.toDoubleVector(v1)
    v2 = stypes.toDoubleVector(v2)
    vout = stypes.emptyDoubleVector(ndim)
    ndim = ctypes.c_int(ndim)
    libspice.vsubg_c(v1, v2, ndim, vout)
    return stypes.cVectorToPython(vout)