判断一个元素是否在seq中
obj [not] in sequence
两个类型相同的sequence推荐使用extend 来合并，效率要高于 +
dir(list)
可以看到所有list的属性喝方法
|
1 2 |
>>> dir(list) ['__add__', '__class__', '__contains__', '__delattr__', '__delitem__', '__delslice__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getslice__', '__gt__', '__hash__', '__iadd__', '__imul__', '__init__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__rmul__', '__setattr__', '__setitem__', '__setslice__', '__sizeof__', '__str__', '__subclasshook__', 'append', 'count', 'extend', 'index', 'insert', 'pop', 'remove', 'reverse', 'sort'] |
Latest posts by Zhiming Zhang (see all)
- aws eks node 自动化扩展工具 Karpenter - 8月 10, 2022
- ReplicationController and ReplicaSet in Kubernetes - 12月 20, 2021
- public key fingerprint - 5月 27, 2021