数据挖掘绘制人口比例饼图

In[1]:

i=0

l=1

p2 = plt.figure(figsize=(4,44))

while i <20:

    pie1 = p2.add_subplot(20,2,l)

    label = [&＃39;男&＃39;,&＃39;女&＃39;]

    explode = [0.01,0.01]

    plt.pie(amount[19-i,2:4],explode=explode,labels=label,autopct=&＃39;%1.1f%%&＃39;)

    plt.title(&＃39;%d年男女与城乡人口比例&＃39; %(1996+i))

    i +=1

    l +=2

j=0

k=2

while j <20:

    pie1 = p2.add_subplot(20,2,k)

    label = [&＃39;城镇人口&＃39;,&＃39;乡村人口&＃39;]

    explode = [0.01,0.01]

    plt.pie(amount[19-j,4:6],explode=explode,labels=label,autopct=&＃39;%1.1f%%&＃39;)

    j +=1

    k +=2

plt.savefig(&＃39;1996-2015年男女人口及乡镇人口比例饼图.png&＃39;)

plt.show()

Out[1]: