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.