"""
Queues

FIFO (first-in, first-out)

Enqueue - add an item to the end of the line
Dequeue - remove an item from the front of the line


"""


"""
Queues using Python Deque

Deque is a double-ended queue

Append() to enqueue an item
Popleft() to dequeue an item


from collections import deque

queue = deque()

queue.append(1)

queue.popleft()



"""
