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Modules in Python: deque

Explore how to create and use Python’s deque from the collections module, understand its methods like append, rotate, and how to handle file data efficiently with bounded deques. Learn the difference between deque and lists for optimized performance.

About deque

According to the Python documentation, “deques are a generalization of stacks and queues”. They are pronounced “deck” which is short for “double-ended queue”. They are a replacement container for the Python list. Deques are thread-safe and support memory efficient appends and pops from either side of the deque. A list is optimized for fast fixed-length operations. A deque accepts a maxlen argument which sets the bounds for the deque. ...