Lesson 13 · Data Iteration · Part 1 — Level I · Guide

August 20, 2026 · Bridge Academy Python Program

Learning goals

- Write a for loop using range(n) to repeat an action n times. - Use range(start, stop) and range(start, stop, step) for custom counts. - Count down with a negative step: range(10, 0, -1). - Use the loop variable inside the loop body, including inside f-strings. - Add numbers up with an accumulator variable that grows each pass. - Feel the difference between the loop header and its indented body.

This lesson covers PCEP-30-02 objective 2.2.