importmatplotlib.pyplotaspltimportnumpyasnpplt.style.use('_mpl-gallery')# make datax=np.arange(0,10,2)ay=[1,1.25,2,2.75,3]by=[1,1,1,1,1]cy=[2,1,2,1,2]y=np.vstack([ay,by,cy])# plotfig,ax=plt.subplots()ax.stackplot(x,y)ax.set(xlim=(0,8),xticks=np.arange(1,8),ylim=(0,8),yticks=np.arange(1,8))plt.show()

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