Lesson 09 · Lists · Part 3 — Level I · Guide

July 16, 2026 · Bridge Academy Python Program

Learning goals

• Build nested lists and 2D matrices.
• Index with two subscripts: matrix[row][col].
• Know the difference between aliasing (b = a) and copying (b = a[:] or b = list(a)).
• Convert other sequences with list("hello") and list(range(5)).

This lesson covers PCEP-30-02 objective 3.1.