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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 copy_spline_array(a):
 """ This returns an instance of a new spline_array with all the fixins, and the data from a. """


    b = spline_array()

    b.x_splines = a.x_splines
    b.y_splines = a.y_splines
    b.max_y_splines = a.max_y_splines
    b.xmin = a.xmin     
    b.xmax = a.xmax
    b.ymin = a.ymin
    b.ymax = a.ymax
    b.xlabel = a.xlabel
    b.ylabel = a.ylabel
    b.zlabel = a.zlabel
    b.simple = a.simple
    

    b.generate_y_values()    

    return b