matplotlib 边框颜色

在Matplotlib中，可以使用`ax.spines`来设置图像的边框颜色。通过`ax.spines\['边框名称'\].set_color('颜色')`来设置每个边框的颜色。例如，如果要设置底部边框的颜色为红色，可以使用`ax.spines\['bottom'\].set_color('red')`。\[1\]\[3\]
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