Can this code be modified to remove the servo and use a bluetooth speaker and microphone instead?

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Python

Raspberry-Pi

I am planning to buy a raspberry pi 4 and this is the first project I want to do https://www.hackster.io/8_Bits_and_a_Byte/monty-python-s-argument-bot-d616b8#code so I was wondering if the code could be modified to work without a servo and instead of the AIY voice kit, it could work with a bluetooth speaker?

here is the code:

# Servo setup
   from gpiozero import Servo
    mouthServo = Servo(26)
    global talk

   # Generic imports
   import time
   import os
   import threading
   from random import randint

   # Dialogflow setup
   import aiy.voice.tts
   import dialogflow_v2 as dialogflow
   from aiy.board import Board
   from aiy.cloudspeech import CloudSpeechClient

   session_client = dialogflow.SessionsClient()
   session = session_client.session_path('xxxxxxx', 12345)

   def getDialogResponse(text):

   text_input = dialogflow.types.TextInput(text=text, language_code='EN')
   query_input = dialogflow.types.QueryInput(text=text_input)
   response = session_client.detect_intent(session=session, query_input=query_input)
   text = response.query_result.fulfillment_text

   return response

   def talk():

   global talk
   while True:
       while talk:
           sleepTime = (randint(1, 3))/10
           mouthServo.max()
           time.sleep(sleepTime)
           mouthServo.mid()
           time.sleep(sleepTime)

       mouthServo.detach()

   moveLidThread = threading.Thread(target=talk)
   moveLidThread.start()

   def say(test):
   aiy.voice.tts.say(test, lang='en-GB', volume=50, pitch=60, speed=80, device='default')

   while True:

   print('Listening...')
   spokenText = client.recognize()

   if spokenText is None:
       print('You said nothing.')
   else:
       response = getDialogResponse(spokenText)
       responseText = response.query_result.fulfillment_text

       talk = True
       say(responseText)
       talk = False

   time.sleep(0.5)

as you can tell I am not very good at python as if I were, I would be able to modify this myself but I would like some help and some explanation as well.

What I have tried:

I don't currently have a raspberry pi but I want to get one and this is the first project that caught my eye so I was wondering if someone could help me?