Flask session test

app.py

import sys
from flask import Flask, session, url_for, redirect

app = Flask(__name__)
app.secret_key = 'secret'

@app.route('/')
def set():
    session.clear()
    session['works'] = True
    return redirect(url_for('get'))

@app.route('/get')
def get():
    works = session.get('works', False)
    return str(works)

app.run(sys.argv[1], use_reloader=False)

# run on localhost, go to http://localhost:5000/ in Firfox and Chrome, confirm "True" is returned
# python app.py localhost
# run on 127.0.0.1, go to http://127.0.0.1:5000 in Firefox and Chrome, confirm "True" is returned
# python app.py 127.0.0.1