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 ...

Python arrays are powerful, but they can confuse programmers familiar with other languages. In this follow-on to our first look at Python arrays we examine some of the problems of working with lists ...

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, ...