python——Matplotlib饼图、直方图的绘制

实验环境 python 3.6 matplotlib 2.2.3 饼图的绘制 matplotlib.pyplot.pie(x, explode=None, labels=None, colors=None, autopct=None, pctdistance=0.6, shadow=False, labeldistance=1.1, startangle=None, radius=None, co

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