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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 reccyl(rectan):
 """ Convert from rectangular to cylindrical coordinates. http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/reccyl_c.html :param rectan: Rectangular coordinates of a point. :type rectan: 3-Element Array of floats :return: Distance from z axis, Angle (radians) from xZ plane, Height above xY plane. :rtype: tuple """

    rectan = stypes.toDoubleVector(rectan)
    radius = ctypes.c_double(0)
    lon = ctypes.c_double(0)
    z = ctypes.c_double(0)
    libspice.reccyl_c(rectan, ctypes.byref(radius), ctypes.byref(lon),
                      ctypes.byref(z))
    return radius.value, lon.value, z.value