#_author:来童星#date:2019/12/8#1.回顾class school: def __init__(self,name): self.name=name def __str__(self): return self.names1=school('shanghai')s2=school('beijing')print(s1,s2)# shanghai beijing#2.uuidimport uuidprint(uuid.uuid1())# e62a6fb6-19bf-11ea-b069-907841064ab5print(uuid.uuid1())# e62ae49a-19bf-11ea-9cfd-907841064ab5print(uuid.uuid1())# e62ae49b-19bf-11ea-b3a2-907841064ab5print(uuid.uuid1())# e62ae49c-19bf-11ea-a03b-907841064ab5
来源：https://www.cnblogs.com/startl/p/12008028.html