Lesson 20 · Conditional Flow · Part 2 — Level II · Guide

October 8, 2026 · Bridge Academy Python Program

Learning goals

• Apply De Morgan's laws to simplify negations.
• Refactor nested if into compound conditions.
• Write guard clauses that exit early on invalid input.
• Use membership (in, not in) to replace long or chains.

This lesson covers PCEP-30-02 objective 2.1.