Adding circular_queue.py (#1574)

* Create circular_queue.py

Circular Queue implementation using python list with fixed range.

* Update circular_queue.py

* Update circular_queue.py

* Update circular_queue.py

* Update circular_queue.py

* Update circular_queue.py

* doctest: Catch "Exception: UNDERFLOW"

* Deal with the fluent interface for cq.enqueue()

* Test the fluent interface

Himanshu Bhatnagar committed 6y ago

0832e1ec583406a70a3d38bca11bb01a77299a23

Parent: 12f69a8

Committed by Christian Clauss <cclauss@me.com> on 11/17/2019, 6:59:50 PM