Lesson 17 · Data Iteration · Part 5 — Level II · Guide

September 17, 2026 · Bridge Academy Python Program

Learning goals

• Write guarded while loops that verify progress each iteration.
• Use sentinel values and flag variables to stop cleanly.
• Combine break, continue, and compound conditions (and/or).
• Convert a for loop to an equivalent while when state must evolve non-linearly.

This lesson covers PCEP-30-02 objective 2.2.