Why this code Not working ?

Question

https://code.sololearn.com/czFe35S6ZdPp/?ref=app

Answer 1

python
it is __next__ now

Answer 2

It's next(c), not c.next()

Answer 3

ulisses thanks👍

Answer 4

Boopathi I don't know, maybe it's python 2 syntax

Answer 5

Another thing:
You called the generator 'i' and
you called a variable inside it also 'i'.

Answer 6

Anna it's working thanks but i refer a book a Python complete reference book in that book they write c.next() but it's not working why?