This post explains how to use loops in Python. You'll learn FOR loops, WHILE loops, BREAK, ... Here, you write “while” followed by a test statement, a colon, and a code block.

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… ...