python队列queue 之优先级队列

时间:2023-03-08 16:20:49
python队列queue 之优先级队列
import queue as Q

def PriorityQueue_int():
que = Q.PriorityQueue()
que.put(10)
que.put(1)
que.put(5)
while not que.empty():
print (que.get())
PriorityQueue_int()
'''最先弹出1,然后5,最后10'''
import queue as Q

class Skill(object):
def __init__(self,priority,description):
self.priority = priority
self.description = description def __lt__(self,other):
return self.priority < other.priority def __str__(self):
return '(' + str(self.priority)+',\'' + self.description + '\')' def PriorityQueue_class():
que = Q.PriorityQueue()
que.put(Skill(7,'proficient7'))
que.put(Skill(5,'proficient5'))
que.put(Skill(6,'proficient6'))
que.put(Skill(10,'expert'))
que.put(Skill(1,'novice'))
print ('end')
while not que.empty():
print (que.get()) PriorityQueue_class() '''
当队列的元素是自定义时,需要我们在元素的类中定义出比较规则
'''