Python deque container in python collections

sure! here is an informative tutorial about python `deque` container in the python `collections` module:

the `deque` (double-ended queue) container in python is a data structure that allows for efficient insertion and deletion operations at both ends of the queue. it is similar to a list, but provides faster operations for adding and removing elements from the beginning and end of the queue.

to use the `deque` container in python, you need to import it from the `collections` module:

you can create a `deque` object by passing an iterable (such as a list or a tuple) to the `deque` constructor:

the `deque` object provides several methods for adding and removing elements from both ends of the queue:

- `append(x)`: add element `x` to the right end of the deque.
- `appendleft(x)`: add element `x` to the left end of the deque.
- `pop()`: remove and return the rightmost element from the deque.
- `popleft()`: remove and return the leftmost element from the deque.

here is an example demonstrating the usage of `deque`:

in this example, we create a `deque` with elements `[1, 2, 3]`, then append elements to both ends of the deque and remove elements from both ends.

i hope this tutorial helps you understand the python `deque` container in the `collections` module! let me know if you have any further questions.

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#python collections module
#python collections ordereddict
#python collections mutablemapping

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