if __name__ == '__main__': app.run(debug=True) : This example is highly simplified and intended to guide you through the basic process. Facebook's policies and Graph API are extensive, and you'll need to consult the official Facebook for Developers documentation for detailed guides on authentication, authorization, and API usage. Also, ensure you handle errors, implement secure practices for storing and using access tokens, and comply with Facebook's policies.
app = Flask(__name__)
from flask import Flask, request, redirect, url_for import facebook facebook page viewer