InterviewBit Problems   Itertools: Infinite Iterators : Unsolved


About the Itertools: Infinite Iterators : Unsolved category (1)
This is the Way it is Done (2)
Can anyone tell me problem with this soln (4)
Add print() after solving each part of the solution (1)
Please tell me what is the error (3)
Tried everything but error (2)
Not sure why this code throws error (4)