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今年世界杯不太平，大家买球的输了不少吧，反正我一直在输，研究了下赔率和返还率，写了个算法。在确定预期收入的情况下，确定各赔率下的压金，可以根据实际情况从中选择两个投注，赢面大些。

返还率 = 预期收入 / 总投入

想算算威廉希尔和竞彩官方有没有稳赢的组合，结果没有。

import requestsfrom bs4 import BeautifulSoupimport jsonclass fiFa():    def __init__(self, atuple):        # self.winOdds = winOdds        # self.drawOdds = drawOdds        # self.lossOdds = lossOdds        self.winOdds,self.drawOdds,self.lossOdds = atuple        self.winOdds,self.drawOdds,self.lossOdds = float(self.winOdds),float(self.drawOdds),float(self.lossOdds)        winput = 100 / self.winOdds        drawput = 100 / self.drawOdds        lossput = 100 / self.lossOdds        totalput = winput + drawput + lossput        self.winper = winput / totalput        self.drawper = drawput / totalput        self.lossper = lossput / totalput    def printf(self, win=None, draw=None, loss=None):        if win != None:            total = win / self.winper            my_draw_put = total * self.drawper            my_loss_put = total * self.lossper            print("胜压：{}\n平压：{}\n负压：{}\n总投入：{}\n预期收入：{}\n".format(win, my_draw_put, my_loss_put, total, win*self.winOdds))        elif draw != None:            total = draw / self.drawper            my_win_put = total * self.winper            my_loss_put = total * self.lossper            print("胜压：{}\n平压：{}\n负压：{}\n总投入：{}\n预期收入：{}\n".format(my_win_put, draw, my_loss_put, total, draw*self.drawOdds))        elif loss != None:            total = loss / self.lossper            my_win_put = total * self.winper            my_draw_put = total * self.drawper            print("胜压：{}\n平压：{}\n负压：{}\n总投入：{}\n预期收入：{}\n".format(my_win_put, draw, loss, total, loss*self.lossOdds))    def per(self):        print("赢的概率{}\n平的概率draw{}\n负的概率loss{}".format(self.winper, self.drawper, self.lossper))    def expincome(self, exp):        win_put = exp / self.winOdds        draw_put = exp / self.drawOdds        loss_put = exp / self.lossOdds        # total = win_put + draw_put + loss_put        return win_put, draw_put, loss_put# 想算算威廉希尔和竞彩官方有没有稳赢的组合，结果没有。def sy(a, b):    exp = 100    t = a.expincome(exp)    w = b.expincome(exp)    z = tuple(zip(t, w))    for i in z[0]:        for j in z[1]:            for p in z[2]:                myinput = i + j + p                if myinput < exp:                    print("______稳赢组合______:", i, j, p)def vs_information(num,rjson):    h_cn = rjson['data'][num]['h_cn']    a_cn = rjson['data'][num]['a_cn']    date = rjson['data'][num]['date']    time = rjson['data'][num]['time']    print('比赛日期：{} {} {}VS{}'.format(date,time,h_cn,a_cn))    print('胜%s，平%s，负%s' % get_odds(num,rjson))def get_odds(num,rjson):    vin = rjson['data'][num]['had']['h']    draw = rjson['data'][num]['had']['d']    loss = rjson['data'][num]['had']['a']    return vin,draw,lossdef result(num,rjson,p=100):        vs_information(num,rjson)    jingcai = fiFa(get_odds(num,rjson))    jingcai.printf(win=p)if __name__ == '__main__':    # 抓取实时赔率    html = requests.get("http://i.sporttery.cn/odds_calculator/get_odds?i_format=json&i_callback=getData&poolcode[]=hhad&poolcode[]=had&_=1529656976684")    rjson = json.loads(html.text.lstrip('getData(').rstrip(');'))    for id in rjson['data']:        if rjson['data'][id]['l_cn'] == "世界杯":            result(id,rjson)

结果：