Matplotlib——图形的完善修饰plt.legend、plt.gca、set_major_formatter
图例的注释plt.legend()plt.legend(loc=’’,title=,fontsize=12,frameon=True,fancybox=True,framealpha=0.2,borderpad=0.3,ncol=1,markerfirst=True,markerscale=1,bbox_to_anchor=,numpoints=1,handlelength=3.5,shadow=