Chap10Q6.py

def enqueue(queue,x):
    queue.append(x)

def dequeue_f(queue):
    return queue.pop(0) #dequeues element present at front end
 
def dequeue_r(queue):
    return queue.pop() #dequeues element present at rear end
l=[]
front =0
enqueue(l,1)# l=[1]
print(l)
enqueue(l,2)# l=[1,2]
print(l)
enqueue(l,3)# l=[1,2,3]
print(l)
enqueue(l,4)# l=[1,2,3,4]
print(l)
enqueue(l,5)# l=[1,2,3,4,5]
print(l)
print(dequeue_f(l))# 1 deleted
print(dequeue_r(l))# 5 deleted
print("Final list after dequeue: ", l)