python畫圖——如何在圖上標註上具體數值

好比當前的表格數據是python df['resultRate'].plot(style='-.bo') plt.grid(axis='y') #設置數字標籤** for a,b in zip(df['num'],df['resultRate']): plt.text(a, b+0.001, '%.4f' % b, ha='center', va= 'bottom',fontsize=9

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