mirror of
https://github.com/krahets/hello-algo.git
synced 2025-07-07 06:44:57 +08:00
Format python codes with black. (#453)
This commit is contained in:
@ -8,13 +8,12 @@ from collections import deque
|
||||
|
||||
""" Driver Code """
|
||||
if __name__ == "__main__":
|
||||
|
||||
""" 初始化队列 """
|
||||
# 初始化队列
|
||||
# 在 Python 中,我们一般将双向队列类 deque 看作队列使用
|
||||
# 虽然 queue.Queue() 是纯正的队列类,但不太好用
|
||||
que: deque[int] = deque()
|
||||
|
||||
""" 元素入队 """
|
||||
# 元素入队
|
||||
que.append(1)
|
||||
que.append(3)
|
||||
que.append(2)
|
||||
@ -22,19 +21,19 @@ if __name__ == "__main__":
|
||||
que.append(4)
|
||||
print("队列 que =", que)
|
||||
|
||||
""" 访问队首元素 """
|
||||
# 访问队首元素
|
||||
front: int = que[0]
|
||||
print("队首元素 front =", front)
|
||||
|
||||
""" 元素出队 """
|
||||
# 元素出队
|
||||
pop: int = que.popleft()
|
||||
print("出队元素 pop =", pop)
|
||||
print("出队后 que =", que)
|
||||
|
||||
""" 获取队列的长度 """
|
||||
# 获取队列的长度
|
||||
size: int = len(que)
|
||||
print("队列长度 size =", size)
|
||||
|
||||
""" 判断队列是否为空 """
|
||||
# 判断队列是否为空
|
||||
is_empty: bool = len(que) == 0
|
||||
print("队列是否为空 =", is_empty)
|
||||
|
Reference in New Issue
Block a user