plt.legend设置图例大小

在使用plt.legend()函数时，可以通过传入prop参数来设置图例的大小。具体可以使用prop = {'size':8}来设置图例的大小为8。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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