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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 send_message(self, message):
 """Send chat message to this steam user :param message: message to send :type message: str """

        self._steam.send(MsgProto(EMsg.ClientFriendMsg), {
            'steamid': self.steam_id,
            'chat_entry_type': EChatEntryType.ChatMsg,
            'message': message.encode('utf8'),
            })