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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 main():
 """For testing purpose"""

    tcp_adapter = TcpAdapter("192.168.1.3", name="HASS", activate_source=False)
    hdmi_network = HDMINetwork(tcp_adapter)
    hdmi_network.start()
    while True:
        for d in hdmi_network.devices:
            _LOGGER.info("Device: %s", d)

        time.sleep(7)