import paho.mqtt.client as mqtt

# MQTT broker details
broker = "test.mosquitto.org"
port = 1883
topic = "M66_Rx"

# Modbus RTU Frame as a list of hex values
modbus_hex = [0x11, 0x03, 0x01, 0x02, 0x01, 0x04, 0xe7, 0x59]

# Convert the list of hex values to a byte array
modbus_bytes = bytes(modbus_hex)

# MQTT client setup
client = mqtt.Client()

def on_connect(client, userdata, flags, rc):
    if rc == 0:
        print("Connected to MQTT broker")
    else:
        print(f"Failed to connect to MQTT broker, return code {rc}")

    def on_publish(client, userdata, mid):
        print(f"Message published with mid={mid}")

        client.on_connect = on_connect
        client.on_publish = on_publish

# Connect to MQTT broker
client.connect(broker, port)

# Start the MQTT client loop in a non-blocking manner``
client.loop_start()

# Send the Modbus RTU frame as a single byte array`
try:
    client.publish(topic, modbus_bytes)
    print("Payload being sent:", modbus_bytes.hex())
    print("Modbus RTU frame sent")
except KeyboardInterrupt:
    # Handle the user interrupt to stop the script gracefully
    print("Interrupted by user")

# Disconnect from MQTT broker
client.disconnect()
client.loop_stop()

print("Script finished")

Above code sent the Modbus_hex array to mqtt as a query, but whenever i put 0x00 in between query it will not sent other bytes after 0x00 and also I have to put 0x00 at the last to terminate the query so how can I use 0x00 in between query without termination?
`