python from itsdangerous import URLSafeSerializer serializer = URLSafeSerializer('my-secret-key') encrypted_data = serializer.dumps('sensitive information') decrypted_data = serializer.loads(encrypted_data) python from itsdangerous import URLSafeTimedSerializer serializer = URLSafeTimedSerializer('my-secret-key') signed_data = serializer.dumps('sensitive information') try: decrypted_data = serializer.loads(signed_data) except itsdangerous.BadSignature: pass python from itsdangerous import URLSafeTimedSerializer serializer = URLSafeTimedSerializer('my-secret-key', salt='my-salt', serializer_version=2) signed_data = serializer.dumps('sensitive information') try: decrypted_data = serializer.loads(signed_data) except itsdangerous.BadSignature: pass