def videolist(self):
    data = self._webcastdata()
    vlist = data['data']['lessonData']['vodList']
    result = []
    for i in sorted(vlist):
        result.append(vlist[i])
    return result
def videolist(self):
    data = self._webcastdata()
    vlist = data['data']['lessonData']['vodList']
    result = []
    for i in sorted(vlist):
        result.append(vlist[i])
    return result