1. 2D histgram

      import matplotlib.pyplot as plt

        from matplotlib.font_manager import FontProperties

        # %matplotlib inline      #Jupyter notebook在线显示

        plt.bar(['NC'], [0.6], width=0.6, facecolor='#FA8072', label='真实值')

        plt.bar(['MCI', 'AD'], [0.25, 0.15], width=0.6, facecolor='#1E90FF', label='非真实值')

        # width：条形图的宽度 默认是0.8

        # height：条形图的高度

        # bottom：条形底部的y坐标值 默认是0

        # label：为后面设置legend做准备，为legend的名称

        #颜色表可参考网站 https://www.cnblogs.com/darkknightzh/p/6117528.html

        myfont = FontProperties('STKAITI', size=14)

        plt.legend(prop=myfont)      #设置legend的字体

        plt.xlabel('类别', FontProperties='STKAITI', fontsize=16)

        plt.ylabel('概率', FontProperties='STKAITI', fontsize=16)

        plt.xticks(FontProperties='Times New Roman', size=12)

        plt.yticks(FontProperties='Times New Roman', size=12)

        plt.show()

References： https://blog.csdn.net/hohaizx/article/details/79101322