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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_enroll(self):
 """Returns new enroll seed"""


        devices = [DeviceRegistration.wrap(device) for device in self.__get_u2f_devices()]
        enroll  = start_register(self.__appid, devices)
        enroll['status'] = 'ok'

        session['_u2f_enroll_'] = enroll.json
        return enroll