for a, b in zip(gj, num): ax3.text(a, b+1, '%.2f'%b, ha='center',fontsize=7) ax3.annotate('',xy=(a,b), xytext=(a,b+1), arrowprops=dict(arrowstyle='->', connectionstyle='arc3',color='g'
时间: 2023-12-21 21:06:46 浏览: 139
这是在柱状图上添加数据标签以及箭头注释。使用 for 循环和 zip() 函数遍历 gj 和 num 列表中的数据,并在对应的柱状图上方添加数据标签,使用 ax3.text() 函数实现。同时,使用 ax3.annotate() 函数添加箭头注释,注释的起点是柱状图上的数据点,终点是数据标签上方,箭头样式由 arrowprops 参数指定,其中 arrowstyle 表示箭头的风格,connectionstyle 表示箭头连接线的风格,color 表示箭头的颜色。
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