<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def send_command(self, command):
        '''Send a command to a device'''
        data = {"command": command, "device_id": self.device_id}
        try:
            response = self.api_iface._api_post("/api/v2/commands", data)
            return Command(response, self)
        except APIError as e:
            print("API error: ")
            for key,value in e.data.iteritems:
                print(str(key) + ": " + str(value))