First, you can’t just transport straight C for loops into Python. There has to be some concession to Python syntax. The initial attempt was clever but not clever enough.

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant perfo… ...

While learning Python syntax, your focus should be on improving your understanding of the logic behind coding. Things like IF statements and FOR loops in Python will take some of your time.