old_contents: from flask import Flask
  app = Flask(__name__)
  
  @app.route("/")
  def hello():
      return "Welcome to the future home of the Indoblaxican."
  
  if __name__ == "__main__":
      app.run(port=80)
new_contents: from flask import Flask
  app = Flask(__name__)
  
  @app.route("/")
  def hello():
      return "Welcome to the future home of the Indoblaxican."
  
  if __name__ == "__main__":
      app.run(host='0.0.0.0', port=80)
subject: Set up public IP