from flask import Flask, session

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

@app.route('/set-session')
def set_session():
    session['is_admin'] = True
    return "Session set"

@app.route('/check-session')
def check_session():
    is_admin = session.get('is_admin', False)
    return f"is_admin: {is_admin}"

if __name__ == '__main__':
    app.run(debug=True)