Can someone explain the how the itertools.groupby() method works in Python ?

Answer 1

Check out these resources for an answer to your question about groupby()

https://stackoverflow.com/questions/773/how-do-i-use-itertools-groupby/7286#7286

https://stackoverflow.com/questions/41411492/what-is-itertools-groupby-used-for

https://stackoverflow.com/questions/44774343/how-to-use-JUMP_LINK__&&__python__&&__JUMP_LINK-groupby

I think you'll find what you want.

Answer 2

Okay . Thanks