s15.py

l1=[1,2,3,4,5]
#Converting to iterator object
l2=iter(l1)
print (type(l2))#Output:<class 'list_iterator'>
print (next(l2))#Output:1
print (next(l2))#Output:2

#Iterator will go forward only.
#First and second element are already iterated, so for loop starts iterating from third element only.
for i in l2:
    print ("The next element is ",i)
'''
Output:
The next element is  3
The next element is  4
The next element is  5
'''