Python Deque

Python deque - Insert an object at the first position

The `appendleft()` of a deque inserts an object at the first position. python from collections import deque d = deque([1, 2, 3]) d.appe...

Append an object to a append in Python

You can append an object to a [deque](/python-deque) by the `append()` like list. python from collections import deque d = deque([1, 2, ...

Python deque

Python deque is similar to list and has had many useful methods since Python 3.5. python from collections import deque d = deque() d....