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#画布设置颜色和大小 #折线图设置标记样式,,mfc='w'表示空心 import matplotlib.pyplot as plt x=[1,2,3,4,5] y=[2,10,6,7,17] plt.figure(facecolor='yellow',figsize=(5,3)) plt.plot(x,y,marker='o',color='r',mfc='w') #r表示颜色,1表示标记样式(下花三角标记) plt.show()