Iterchain is a library intended to make manipulating iterators in Python easier and more ergonomic. The design is heavily inspired by the Rust iterator design, and a lot of the functionality comes ...

print(it.__next__()) #if we print we get <list_iterator object at 0x000002587030BB50> we don't want it so that we use the method clled as __next__() so you will get the 1st number of the list print(it ...