import urllib,re

page = urllib.urlopen('http://trend.baidu.lecai.com/ssq/')

html = page.read()

reg = r"<td class='chart_table_td omission_entry omission_hit .+_ball background_color_.+'>\d{2}</td>"

htmlre = re.compile(reg)

balllist = re.findall(htmlre,html)

len(balllist)

# 30天，6红1蓝，210个结果

last30=[]

redlist=[]

for item in imglist:

    if 'red_ball' in item:

        redlist.append(item[-7:-5])

    elif 'blue_ball' in item:

        last30.append({'blue':item[-7:-5],'red':redlist})

        redlist=[]

print last30