def register(username, password): """Register users this allows users to register to Codely register(username, password) => redirect of flask """ is_valid_username = db.add_user(username, password) if 'success' in is_valid_username: flash(is_valid_username['success'] + '. Sign in now.', 'register_success') return redirect(url_for("sign_in")) else: # print is_valid_username flash('Username is already taken', 'register_error') return redirect(url_for("register"))