参考:https://wiki.python.org/moin/TimeComplexity
rather than just the current size. For example, if N objects are added to a dictionary, then N-1 are deleted, the dictionary will still be sized for N objects (at least) until another insertion is made.
rather than just the current size. For example, if N objects are added to a dictionary, then N-1 are deleted, the dictionary will still be sized for N objects (at least) until another insertion is made.
最常用的取值和赋值,其性能均为O(1)。...另一个重要操作contains(in)是判断字典中是否存在某个键值(key),这个性能也是O(1)。...而列表的执行时间则会随着列表的规模加大而线性上升。 更多 Python 数据类型操作复杂度可以参考官方文档: https://wiki.python.org/moin/TimeComplexity...
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