code: def get_password(self, username, request_url):
          
          content = "%s%s%s" % (username, self.shared_secret, request_url)
          return hashlib.sha256(content.encode('utf8')).hexdigest()
docs: Calculate the password as per the API specification.
          :param username: 
          :param request_url:
          :return: password (string)