Kursy Online

Lekcja – Moduł queue

import queue

q = queue.Queue()

for i in range(11,16):
    q.put(i)

q.qsize()

while q.qsize() > 0:
    print(f'Getting {q.get()}, the queue size is {q.qsize()}')

lifo = queue.LifoQueue()

for i in range(11, 16):
    lifo.put(i)

lifo.qsize()

while lifo.qsize() > 0:
    print(f'Getting {lifo.get()}, the lifo size is {lifo.qsize()}')

priority_q = queue.PriorityQueue()

priority_q.put((1, 'Task priority 1'))
priority_q.put((3, 'Task priority 3'))
priority_q.put((2, 'Task priority 2'))
priority_q.put((2, 'Task priority 2 - again'))

while priority_q.qsize() > 0:
    print(f' Getting {priority_q.get()}, the priority queue size is {priority_q.qsize()}')

Rozwiązanie:

import queue
my_path = '/home/boss/data/projects/bakery/prices.csv'

q = queue.LifoQueue()
for part in my_path.split('/'):
    q.put(part)

while q.qsize()>0:
    print(q.get())