📅 2013-Mar-23 ⬩ ✍️ Ashwin Nanjappa ⬩ 🏷️ collections, deque, list, python, queue ⬩ 📚 Archive
The ubiquitous list can be used as a queue in Python. But, that is not efficient because of the way lists are implemented.
Using deque from the collections module is a straightforward way to use queues:
# remove <-- [....] <-- insert
# Queue with insertion from right and removal from left
from collections import deque
q = deque()
# deque([])
q.append( 10 )
# deque([ 10 ])
q.append( 50 )
# deque([ 10, 50 ])
q.append( 30 )
# deque([ 10, 50, 30])
q.popleft()
# 10Tried with: Python 2.7.3