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 ...

Create a for loop where the range is the number of rows. Find the relationship between the number of stars on a row and the row index. Create an inner loop that prints stars based on this relationship ...