text: from flask import Flask, render_template, request
  import os
  import sys
  import json
  
  
  app = Flask('__main__')
  
  @app.route('/')
  def index():
      return render_template('index.html')
  
  
  if __name__ == "__main__":
      app.run(debug=True, host="127.0.0.1")
  