"""Demo of custom tick-labels with user-defined rotation."""importmatplotlib.pyplotaspltx=[1,2,3,4]y=[1,4,9,6]labels=['Frogs','Hogs','Bogs','Slogs']plt.plot(x,y,'ro')# You can specify a rotation for the tick labels in degrees or with keywords.plt.xticks(x,labels,rotation='vertical')# Pad margins so that markers don't get clipped by the axesplt.margins(0.2)# Tweak spacing to prevent clipping of tick-labelsplt.subplots_adjust(bottom=0.15)plt.show()