old_contents: from flask import Flask, url_for
  
  app = Flask(__name__)
  
  @app.route('/')
  def home():
      text = '<a href=%s>link</a>' % url_for('home')
      return text
  
  
  
  if __name__=='__main__':
      app.run(host='0.0.0.0', port=80, debug=True)
  
  
new_contents: import os
  from flask import Flask, url_for, send_from_directory, get_flashed_messages, session, request, render_template
  
  app = Flask(__name__)
  #Added Favicon Support
  @app.route('/favicon.ico')
  def favicon():
      return send_from_directory(os.path.join(app.root_path, 'static'),'favicon.ico', mimetype='image/vnd.microsoft.icon')
  #Point default Traffic to home template
  @app.route('/')
  @app.route('/home')
  def home():
      return render_template('home.html')
  
  @app.route
  if __name__=='__main__':
      app.run(host='0.0.0.0', port=80, debug=True)
  
subject: Add additional features