UUID stands for Universally unique identifier. Python comes with a module called uuid that can generate them.

examples/python3/universal-uid.py

import uuid
u = uuid.uuid1()
print(u)          # 882dad92-5385-11e9-90e9-0028f821ff7f
print(type(u))    # <class 'uuid.UUID'>
print(u.hex)      # 882dad92538511e990e90028f821ff7f
print(u.int)      # 181012181235403912317722105794514780031
print(u.urn)      # urn:uuid:882dad92-5385-11e9-90e9-0028f821ff7f
print(u.version)  # 1
print(u.variant)  # specified in RFC 4122