Python Datatype for a fixed-length FIFO

Question

I would like to know if there is a native datatype in Python that acts like a fixed-length FIFO buffer. For example, I want do create a length-5 FIFO buffer that is initial

Answer 1

Just one more example to this post

from collections import deque

domains = ['1.com','2.com','3.com']
d = deque(domains)               
d.pop() #pop(delete) 3.com here
d.appendleft('new.com') 


print d

result:

deque(['new.com', '1.com', '2.com'])