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 ...

In the early days of C, you’d occasionally see someone — probably a former Pascal programmer — write something like this: #define BEGIN { #define END } This would usually initiate complaints about ...

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 ...

A clear, visual introduction to loops in Python. This free poster focuses on for loops, helping students understand how code repeats and how loops are used in programs. Designed for classroom display, ...