user_agent = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko)Chrome/50.0.2661.75 Safari/537.36'
header = {'User-Agent': user_agent}
AWS_ACCESS_KEY_ID = "xxx"
AWS_SECRET_ACCESS_KEY = "xxx"
AWS_ASSOCIATE_TAG = "xxx"