我在列表中有 id 列表，如下所示：[[1347,1805371369,1805371401,1805371409,1805371424,1805371434,1805371462]，[1805371691,1805371699,1805371712,1805371715,1805371725,1805371742,1917952665]']我試圖將它們合并到一個(gè)列表中，如下所示：[1347,1805371369,1805371401,1805371409,1805371424,1805371434,1805371462,1805371691,1805371699,1805371712,1805371715,1805371725,1805371742,1917952665' ]但我的結(jié)果變成了這樣，我不知道為什么：['1','3','4','7',',','1','8','0','5','3','7','1','3','6','9'.......']']我嘗試過(guò) itertools 、 flat 和 using for 循環(huán)的方法，但它們都給了我同樣的東西，所以我認(rèn)為 list 本身有問(wèn)題，但我不確定是什么。請(qǐng)幫忙import itertools    r=[[1347,1805371369,1805371401,1805371409,1805371424,1805371434,1805371462],[1805371691,1805371699,1805371712,1805371715,1805371725,1805371742,1917952665]]merged = list(itertools.chain(*r))print(merged)實(shí)際代碼：import requestsimport jsonfrom datetime import datetimefrom datetime import timedeltaimport itertoolsurl='https://www.example.com/api/rest/1.1/etl/surveyresponses/ids/'headers = {'Content-Type': "application/x-www-form- urlencoded",'Authorization': "Bearer ******-****-****-****-*********"}start_date = "2016-01-01"stop_date = "2016-01-08"endDate = "2016-02-014"orgid='****'r=[]#Can only call 7 days at once, need to call the API multiple time and combine the result together for another API call while stop_date < endDate:    start = datetime.strptime(start_date, "%Y-%m-%d") + timedelta(days=7)     stop = datetime.strptime(stop_date, "%Y-%m-%d") + timedelta(days=7)     start_date=start.strftime('%Y-%m-%d')    stop_date=stop.strftime('%Y-%m-%d')    if stop_date>datetime.today().strftime('%Y-%m-%d'):            stop_date = datetime.today().strftime('%Y-%m-%d')    req_url=url+start_date+'/'+stop_date+'/'+orgid    result =requests.get(req_url, headers=headers)    r.append(result.text)merged = list(itertools.chain(*r))