Lesson 07 · Lists · Part 1 — Level I · Guide

July 2, 2026 · Bridge Academy Python Program

Learning goals

• Create lists with square brackets and an empty list [].
• Index elements with lst[0], lst[-1], and positions in between.
• Slice lists with lst[:3], lst[3:], lst[2:5], and step slices like lst[::2] and lst[::-1].
• Measure length with len(lst).
• Grow and shrink lists with .append(), .insert(), and del.
• Check membership with in and not in.

This lesson covers PCEP-30-02 objective 3.1.