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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 plot_hs(fignum, Ys, c, ls):
 """ plots horizontal lines at Ys values Parameters _________ fignum : matplotlib figure number Ys : list of Y values for lines c : color for lines ls : linestyle for lines """

    fig = plt.figure(num=fignum)
    for yv in Ys:
        bounds = plt.axis()
        plt.axhline(y=yv, xmin=0, xmax=1, linewidth=1, color=c, linestyle=ls)