proxyx.py

import os
ans = input('Type A if on RasPi/Mac or B if on Windows')
if ans.lower() == 'a':
  os.system('pip3 install --user flask')
  import flask
else:
  os.system('pip install flask')
  import flask

  app = flask.Flask(__app__)
  @app.route('/')
  def home():
    return '<h1>Welcome to ProxyX</h1><br><p>only on switch</p><br><a href=\'www.google.com\'>Google</a>'
  app.run(host='0.0.0.0')