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, and the ...

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 ...

Teach Python loops! This workbook covers for-loops, while-loops, and Python iteration techniques to automate repetitive tasks, making coding more efficient and streamlined (and also save a bunch of ...

This lesson teaches the two programming constructs pupils use most. It starts from sequence, selection and iteration as the complete set, then covers if, elif and else with correct colons, indentation ...