Chap10Q5.py

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

def dequeue(queue):
    return queue.pop(0) #pops element present at front as elements are shifted after dequeue
   
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)
print(dequeue(l))# 1 deleted
print(dequeue(l))# 2 deleted
print("Final list after dequeue: ", l)