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 ...

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 ...

Learn how to write cleaner Python with enumerate, zip, generator expressions, itertools, and functional tools for readable, memory-efficient data processing.

Loops are a commonly used structure in programming that allows you to repeat a block of code a set number of times, or until you meet a particular condition. This is useful for many reasons. For ...

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 complete Python for loops teaching pack designed to help students build confidence with repetition, range(), loop variables, running totals, lists, nested loops and turtle graphics. The pack ...