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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 server_id(self) :
        "asks the server at the other end for its unique id."
        c_result = dbus.dbus_connection_get_server_id(self._dbobj)
        result = ct.cast(c_result, ct.c_char_p).value.decode()
        dbus.dbus_free(c_result)
        return \
            result