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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_xray_daemon():
 """Parse X-Ray Daemon address environment variable. If the environment variable is not set, raise an exception to signal that we're unable to send data to X-Ray. """

    env_value = os.environ.get('AWS_XRAY_DAEMON_ADDRESS')
    if env_value is None:
        raise XRayDaemonNotFoundError()

    xray_ip, xray_port = env_value.split(':')
    return XRayDaemon(ip_address=xray_ip, port=int(xray_port))