@app.route('/login', methods = ['POST', 'GET'])
def login():
if request.method == 'POST':
    user = request.form['nm']
    password = request.form['pwd']
    if user_add(user, password) == True:
        return url_for('hello', name = user)
    else:
        return redirect(url_for('incorrect'))
  @app.route('/classes', methods = ['POST', 'GET'])
def classes(name):
##Code to execute