フェイスブック

https://developers.facebook.com/

https://ngrok.com/download

pip install pymessenger

pip install requests

pip install flask

from flask import Flask,request
import requests
from pymessenger import Bot

app =  Flask(__name__)

VERIFY_TOKEN = ''
PAGE_ACCESS_TOKEN =''
bot = Bot(PAGE_ACCESS_TOKEN)


def handling_message(text):
    adjusted_msg = text
    if adjusted_msg == 'hi' or adjusted_msg == 'Hi':
        response = 'hey'
    elif adjusted_msg == "what's up" or adjusted_msg == "what's up":
        response = "i'm Great"
    else:
        response = "it's pleasure to talk with you,Thank you."
    return response

@app.route('/', methods = ["POST","GET"])

def web_hook():
    if request.method == "GET":
        if request.args.get('hub.verify.token') == VERIFY_TOKEN:
            return request.args.get('hub.challenge')

        else:
                return 'Unable To Connect Meta'
    elif request.method == 'POST':
        data = request.json
        process = data['entry'][0]['messaging']
        for msg in process:
            text = msg['message']['text']
            sender_id = msg['sender']['id']
            response = handling_message(text)
            bot.send_text_message(sender_id,response)
        return 'Message Delivered'

    else:
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/8q5t43y3zd7kvdzdpfdp.png)


if  __name__ == '__main__':
    app.run()

ngrok.exe http 5000