In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered “sequences” — they can be iterated over ...

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… ...

If you want to add items to a list in a loop, then you do have to declare an empty list beforehand. Don’t understand me wrong, there are a lot of nice Ideas in Python, but the overall language ...