matplotlib的legend参数与设置

以下面代码为例 import matplotlib.pyplot as plt from pylab import mpl mpl.rcParams['font.sans-serif'] = ['SimHei'] # 用来显示中文，不然会乱码 x = range(4) y = [120, 200, 250, 600] plt.bar(x=x, height=y, color='r', w

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