实例：各商品种类的网购替代率

import matplotlib.pyplot as plt
import numpy as np
#显示中文
plt.rcParams['font.sans-serif']=['SimHei']
plt.rcParams['axes.unicode_minus']=False
x = np.array([0.959,0.951,0.935,0.924,0.893,0.892,0.865,0.863,0.860,0.856,
             0.854,0.835,0.826,0.816,0.798,0.765,0.763,0.671])
y = np.arange(1,19)
labels = ["家政、家教、保姆等生活服务","飞机票、火车票","家具","手机、手机配件","计算机及其配套产品",
          "汽车用品","通信充值、游戏充值","个人护理用品","书报杂志及音像制品","餐饮、旅游、住宿","家用电器",
          "食品、饮料、烟酒、保健品","家庭日杂用品","保险、演出事务","服装、鞋帽、家用纺织品","数码产品","其他商品和服务","工艺品、收藏品"]
#绘制条形图
plt.barh(y,x,tick_label=labels,align="center",height=0.6)
plt.show()