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 ...

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, ...

Repetition is the heartbeat of programming and for loops are where students either master iteration or spend the rest of the course guessing. For loops appear in trace tables, pseudocode translation ...