class Queue:
"""队列"""
def __init__(self):
self.__list = []
def enqueue(self, item):
"""往队列尾部添加一个元素"""
self.__list.append(item)
def dequeue(self):
"""从队列头部删除一个元素"""
return self.__list.pop(0)
def is_empty(self):
"""判断队列是否为空"""
return not self.__list
def size(self):
"""返回队列的大小"""
return len(self.__list)
if __name__ == '__main__':
q = Queue()
print(q.is_empty())
q.enqueue(1)
q.enqueue(2)
q.enqueue(3)
q.enqueue(4)
print(q.is_empty())
print(q.size())
print(q.dequeue())
print(q.dequeue())
print(q.dequeue())
print(q.dequeue())
python---用顺序表实现队列
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转载自www.cnblogs.com/KX-Lau/p/12498428.html
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