diff options
| -rw-r--r-- | adt-queue/queue.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/adt-queue/queue.py b/adt-queue/queue.py index 4235a7f..98297b3 100644 --- a/adt-queue/queue.py +++ b/adt-queue/queue.py @@ -4,7 +4,15 @@ rearPointer = -1 queueLength = 0 queueFull = 10 def dequeue(): - global queue, queueLength, queueFull, rearPointer + global queue, queueLength, queueFull, rearPointer, frontPointer + if queueLength == 0: + print("ERR:: Cannot dequeue an empty queue!") + return + item = queue[frontPointer] + queue[frontPointer] = None + frontPointer += 1 + print(f"Dequeued element {item}") + return def enqueue(item): global queue, queueLength, queueFull, rearPointer @@ -21,3 +29,7 @@ def enqueue(item): return for i in range(13): enqueue(10 * i) +dequeue() +dequeue() +dequeue() +print(queue) |