an = Animal()
attrs = vars(an)
# {'kids': 0, 'name': 'Dog', 'color': 'Spotted', 'age': 10, 'legs': 2, 'smell': 'Alot'}
# Now dump this in some way or another
print(', '.join("%s: %s" % item for item in attrs.items()))
如果要将Python对象存储在磁盘上,则应查看一下货架- Python对象持久性。