爬取中彩网双色球开奖数据：
import requestsfrom bs4 import BeautifulSoupfrom collections import Counter# 获取内容res = requests.get('/zhcw/html/ssq/list_1.html', timeout = 30)res.encoding = 'utf-8'htm = res.text# 解析内容soup = BeautifulSoup(htm, 'html.parser')# url前缀prefix_url = '/zhcw/html/ssq/list'#获取总页数total = int(soup.find('p', attrs={"class": "pg"}).find_all('strong')[0].text)#将获取的信息，写进文件local_file = open('双色球.txt', 'w')red_num = [] #历史上开出的红球blue_num = [] #历史上开出的蓝球# 分页获取每一页的开奖信息for page_num in range(1, total+1):t_url = prefix_url + '_' + str(page_num) + '.html'print(t_url)res2 = requests.get(t_url, timeout = 30)res2.encoding = 'utf-8'page_context = res2.textpage_soup = BeautifulSoup(page_context, 'html.parser')if page_soup.table is None:continueelif page_soup.table:table_rows = page_soup.table.find_all('tr')for row_num in range(2, len(table_rows)-1):row_tds = table_rows[row_num].find_all('td')ems = row_tds[2].find_all('em')# result = '开奖日期:'+ row_tds[0].string +','+'期号:'+ row_tds[1].string +', '+ems[0].string+' '+ems[1].string+' '+ems[2].string+' '+ems[3].string+' '+ems[4].string+' '+ems[5].string+' '+ems[6].stringresult = row_tds[0].string +','+ row_tds[1].string +', '+ems[0].string+' '+ems[1].string+' '+ems[2].string+' '+ems[3].string+' '+ems[4].string+' '+ems[5].string+' '+ems[6].stringlocal_file.write(result+'\n')print(result)red_num.append(ems[0].string) # 红球1red_num.append(ems[1].string) # 红球2red_num.append(ems[2].string) # 红球3red_num.append(ems[3].string) # 红球4red_num.append(ems[4].string) # 红球5red_num.append(ems[5].string) # 红球6blue_num.append(ems[6].string) # 蓝球else:continuelocal_file.closered_count = Counter(red_num)blue_count = Counter(blue_num)# 按照出现频率顺序red_count_sorted = sorted(red_count.items(), key=lambda pair: pair[1], reverse=False)blue_count_sorted = sorted(blue_count.items(), key=lambda pair: pair[1], reverse=False)print(red_count_sorted)print(blue_count_sorted)ssq_red = red_count_sorted[0:6]ssq_blue = blue_count_sorted[0:3]print(list(map(lambda item:item[0], ssq_red)))print(list(map(lambda item:item[0], ssq_blue)))ssq_red = list(map(lambda item:item[0], ssq_red))ssq_blue = list(map(lambda item:item[0], ssq_blue))ssq_red.sort()ssq_blue.sort()print('顺选-1：'+str(ssq_red)+'|'+ssq_blue[0])print('顺选-2：'+str(ssq_red)+'|'+ssq_blue[1])print('顺选-3：'+str(ssq_red)+'|'+ssq_blue[2])print('------------------------------------------------------------------------------')# 按照出现频率倒序red_count_sorted = sorted(red_count.items(), key=lambda pair: pair[1], reverse=True)blue_count_sorted = sorted(blue_count.items(), key=lambda pair: pair[1], reverse=True)print(red_count_sorted)print(blue_count_sorted)ssq_red = red_count_sorted[0:6]ssq_blue = blue_count_sorted[0:3]print(list(map(lambda item:item[0], ssq_red)))print(list(map(lambda item:item[0], ssq_blue)))ssq_red = list(map(lambda item:item[0], ssq_red))ssq_blue = list(map(lambda item:item[0], ssq_blue))ssq_red.sort()ssq_blue.sort()print('反选-1：'+str(ssq_red)+'|'+ssq_blue[0])print('反选-2：'+str(ssq_red)+'|'+ssq_blue[1])print('反选-3：'+str(ssq_red)+'|'+ssq_blue[2])
预测结果：
顺选-1：['05', '12', '15', '24', '29', '33']|04顺选-2：['05', '12', '15', '24', '29', '33']|08顺选-3：['05', '12', '15', '24', '29', '33']|15------------------------------------------------------反选-1：['03', '06', '11', '14', '18', '19']|11反选-2：['03', '06', '11', '14', '18', '19']|12反选-3：['03', '06', '11', '14', '18', '19']|16
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