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

you can also use list

a = [0,0,0,0,0]

a.pop(0)
a.append(1)

print a
result [0,0,0,0,1]

or for left side in right out, otherwise

a.pop(5)
a.insert(0,1)
print a
result [1,0,0,0,0]