Python How to I check if last element has been reached in iterator tool chain?

Question

for elt in itertools.chain.from_iterable(node):

if elt is the last element:
  do statement

How do I achieve this

Answer 1

I do something like this:

rng = len(mlist)
for i in range(rng):
    foo = mlist[i]
    foo.do_something_for_every_item_regardless()
    if i == rng - 1: #since we go from 0 to rng-1
        foo.last_item_only_operation()