from cryptography.fernet import Fernet
fernet_key = Fernet.generate_key()
print(fernet_key.decode()) # your fernet_key, keep it in secured place!
ZnJvbSBjcnlwdG9ncmFwaHkuZmVybmV0IGltcG9ydCBGZXJuZXQKCmZlcm5ldF9rZXkgPSBGZXJuZXQuZ2VuZXJhdGVfa2V5KCkKcHJpbnQoZmVybmV0X2tleS5kZWNvZGUoKSkgICMgeW91ciBmZXJuZXRfa2V5LCBrZWVwIGl0IGluIHNlY3VyZWQgcGxhY2UhCg==