import queue


# #----------------------判断队列是否为空----------------------------------
# q = queue.Queue(10)
# q.put(1)
# q.get()
#
# print(q.empty())
# #----------------------------end--------------------------------------

# #---------------------获取队列中的值----------------------------------
# q = queue.Queue()
# for i in range(5):
#     q.put(i)
#
# # v_l = list()
# v_l = list(q.queue)
# print(v_l)
#
# q.get()
# print(v_l)
#
# #-------------------------end---------------------------------

#--------------------------测试队列赋值---------------------------
q = queue.Queue()
for i in range(5):
    q.put(i)

p = q

print(p.qsize())
q.get()
print(p.qsize())
#---------------------------end---------------------------------