DeprecationWarning: Using or importing the ABCs from ‘collections‘ instead of from ‘collections.abc‘

在python练习中，遇到关于测试一个对象是否可迭代的过程中，按照教程进行练习，但出现

DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working
  from collections import Iterable

原因：由于在python3.8中不再支持collections，建议使用collections.abc

  from collections import Iterable   改为   from collections.abc import Iterable