Add python code for queue

codes/python/chapter_stack_and_queue/queue.py

@@ -1,10 +1,42 @@
 '''
 File: queue.py
-Created Time: 2022-11-25
-Author: Krahets (krahets@163.com)
+Created Time: 2022-11-29
+Author: Peng Chen (pengchzn@gmail.com)
 '''
 
-import sys, os.path as osp
+import os.path as osp
+import sys
+
 sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
 from include import *
 
+import queue
+
+if __name__ == "__main__":
+    """ 初始化队列 """
+    queue = queue.Queue()
+
+    """ 元素入队 """
+    queue.put(1)
+    queue.put(3)
+    queue.put(2)
+    queue.put(5)
+    queue.put(4)
+    print("队列 queue = ", queue.queue)
+
+    """ 访问队首元素 """
+    peek = queue.queue[0]
+    print("队首元素 peek = ", peek)
+
+    """ 元素出队 """
+    get = queue.get()
+    print("出队元素 get = ", get)
+    print("出队后 queue = ", queue.queue)
+
+    """ 获取队列的长度 """
+    size = queue.qsize()
+    print("队列长度 size = ", size)
+
+    """ 判断队列是否为空 """
+    is_empty = queue.empty()
+    print("队列是否为空 = ", is_empty)