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(str(u)) # 882dad92-5385-11e9-90e9-0028f821ff7f
print(u.__str__()) # 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
