Loops are a commonly used structure in programming that allows you to repeat a block of code a set ... using Python by taking an online Python course. Check out our list of amazing deals at ...

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 performance ...