网页爬虫 - python如何实现模拟登陆googleplay，其中有个叫bgresponse的值如何获取？

Page:RememberedSignIn
GALX:zdRvdwcmpCc
gxf:AFoagUWlCZ-YbDLcSSJ3MGAM1EoVITiTHA:1491974239221
continue:https://play.google.com/store...
followup:https://play.google.com/store...
service:googleplay
sacu:1
acui:0
ignoreShadow:0
_utf8:☃
bgresponse:!5Oel58ZCPUshxasmR1pEkLOnnQ_dQqgCAAAAVFIAAAAamQGPlJebRBJdF6WkU5rGYBKvNH_oeIdO8pNaO98HBBkDh21b1H9sfx1MqEDIaQ_zhhJ-snvTCT13zB3hik0zlL6zcgoCeRHL0DikhkLV9a5gHGdvUJ8H5UEPunAKWDOZjtSFtKytTFQQnNM5n2WkTrgJEw5GDpvpG4sQ_OR3Ms_Z2OYDQPSQAsNYNqc5eLEi3cVGr9MFjYgdWtYIvdvZ4iFYzvPXQ_Zw4PfYYVm5qI-k3XvLfXiDYeG5n9_WwISE9GceGp8-kA2NExI01jW_M0ZvNJiX8MD5w6VAx9Nly7cC1VZIUfNhQTnFjQ_rnE-Hd29TJckX9RmrWPiKfHt5q-Xifyx-tbokVjbD_9RHxB_WTErfr0_hcDbSKV7blJEY3vL4zb3GKoPRhGmR38YSMPLFAn46TUMHOAS4ldAY6sCM9CNBbGs1FkYugI5BmqxOs6TgtFAAjXzltsnCnYZaCaU20HKv5uLrTxIjjgahkFy89ZPd__hDLgVX_rKyPedTke4IOepiVFeuqkfHh4i-jC4H
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Passwd:xxxx
PersistentCookie:yes
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