class queue:
s=0
def insert(self):
a=raw_input(“Enter any letter:”)
queue.s.append(a)
def delete(self):
if (a.s==[]):
print “Queue Empty”
else:
print “Deleted element is: ”,queue.s[0]
del queue.s[0]
def display(self): l=len(queue.s)
print “QUEUE CONTENTS”
for i in range(0,l):
print queue.s[i]
a=queue()
n= input(“Enter no. of letters”)
for i in range (n):
a.insert()
a. delete()
a. display ()
