import queue 사용하기

 

• FIFO(First-In, First-Out)

import queue

q = queue.Queue()
q.put(1)
q.put("Sky")
q.put(True)

# size: 3
print(q.qsize()) 

# 1, Sky, True
for i in range(q.qsize()):
    print(q.get())
​

 

 

• LIFO(Last-In, First-Out)

import queue

lifo_q = queue.LifoQueue()
lifo_q.put("1")
lifo_q.put("Air")
lifo_q.put("True")

# size: 3
print(lifo_q.qsize())

# True, Air, 1
for i in range(lifo_q.qsize()):
    print(lifo_q.get())

 

 

• PriorityQueue()

import queue

prior_q = queue.PriorityQueue()

prior_q.put((30, 1))
prior_q.put((20, "Sky"))
prior_q.put((10, True))

# size; 3
print(prior_q.qsize())

"""
    (10, True)
    (20, 'Sky')
    (30, 1)
"""
for i in range(prior_q.qsize()):
    print(prior_q.get())