下面一段代碼給大家?guī)砹藀ython實現(xiàn)12306登錄功能，具體代碼如下所示：

#!/usr/bin/env pythonimport requestsimport urllib.parseimport randomimport timereq = requests.session()import sysimport reimport urllib3import getpass # 密文輸入urllib3.disable_warnings()# 登陸-------------------------apptklist = []newStrList = []def signin(): ran = random.uniform(1, 0) imgUrl = ('https://kyfw.12306.cn/passport/captcha/captcha-image?'    'login_site=E&module=login&rand=sjrand&%s' % ran) print(imgUrl) imgresponse = req.get(url=imgUrl, verify=False) codeimg = imgresponse.content fn = open('code.png', 'wb') fn.write(codeimg) fn.close() codeStr = input('請輸入驗證碼的坐標:') a = '' b = '' c = '' d = '' e = '' f = '' g = '' h = '' if '1' in codeStr:  a = '37,37,' if '2' in codeStr:  b = '100,37,' if '3' in codeStr:  c = '180,37,' if '4' in codeStr:  d = '250,37,' if '5' in codeStr:  e = '37,100,' if '6' in codeStr:  f = '100,100,' if '7' in codeStr:  g = '180,100,' if '8' in codeStr:  h = '250,100,' newCodeStr = a+b+c+d+e+f+g+h newStr = newCodeStr[:-1] newStrList.append(newStr) url = 'https://kyfw.12306.cn/passport/captcha/captcha-check' data = {  'answer':newStr,  'login_site':'E',  'rand':'sjrand' } headers = {  'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)'      ' Chrome/63.0.3239.108 Safari/537.36', } response = req.post(url=url, data=data, headers=headers, verify=False) print('檢測圖片-----------', url) print(response.text) result = response.json() if result['result_code'] == '4':  print('驗證碼校驗成功') else:  print('驗證碼校驗失敗,請注意填寫正確的坐標')  signin()  return userName = input('Please input your userName:') # password = input('Please input your password:') password = getpass.getpass('Please input your password:') loginData = {  'username':userName,  'password':password,  'appid':'otn' } headers = {  'Host':'kyfw.12306.cn',  'Referer':'https://kyfw.12306.cn/otn/login/init',  'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2)'      ' AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 '      'Safari/537.36' } response = req.post('https://kyfw.12306.cn/passport/web/login', data=loginData, headers=headers, verify=False) print('--------------登陸中--------------------') print('https://kyfw.12306.cn/passport/web/login') print('response', response.text.encode('utf-8').decode('utf-8')) fd = open("locate.html", 'wb+') fd.write(response.content) yzData = {  'appid':'otn' } response = req.post('https://kyfw.12306.cn/passport/web/auth/uamtk', data=yzData, headers=headers, verify=False) print('---------------------第一次驗證---------------------') print(response.text) # print('typeof response',type(response)) loginMessage = response.json()['newapptk'] print('loginMessage=', loginMessage) # 第二次驗證開始++++++++++++++++++++++++++++++ yz2Data = {  'tk': loginMessage } response = req.post('https://kyfw.12306.cn/otn/uamauthclient', data=yz2Data, headers=headers,verify=False) print('---------------------第二次驗證---------------------') print(response.text) apptk = response.json()['apptk'] apptklist.append(apptk)def buy(): print(newStrList) req.headers['Referer'] = 'https://kyfw.12306.cn/otn/leftTicket/init' result = req.post('https://kyfw.12306.cn/otn/login/checkUser') print('----------------購票系統(tǒng)--------------') print(result.text) print('驗證登錄狀態(tài)成功checkUser') headers = {  'Referer':'https://kyfw.12306.cn/otn/leftTicket/init',  'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36'      ' (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36', } data = {  # 'secretStr':reserve[1],  'train_date':'2018-01-17',  'back_train_date':'2018-01-17',  'tour_flag':'dc', # dc 單程  'purpose_codes':'ADULT', # adult 成人票  'query_from_station_name':'成都',  'query_to_station_name':'長沙',  'undefined':'' }def ticket(): # 先登陸、然后查詢車票信息 signin() url = ('https://kyfw.12306.cn/otn/leftTicket/queryZ?leftTicketDTO.train_date=2018-02-10&'   'leftTicketDTO.from_station=SZQ&leftTicketDTO.to_station=NFG&purpose_codes=ADULT') try:  response = requests.get(url, verify=False)  result = response.json()  print(result)  return result['data']['result'] except Exception as e:  return Noneif __name__ == "__main__": # ticket() # with open('./aaa.xlsx', encoding='utf-8') as f: # #  print(f.read()) dic = {} context = [('IDS_ABOUT_OFFICAL_PHONE', 'Službeni telefon'),    ('IDS_ABOUT_OFFICAL_WEBSITE', 'Službeno web-mjesto'),    ('IDS_ABOUT_OFFICIAL_PHONE_CALL_NOT_SUPPORT', 'Trenutni uređaj ne može pozivati.')] for i in range(len(context)):  print(i)  dic.setdefault(context[i][0],context[i][1]) print(dic) print(dic.keys())