Lesson 07 · Strings · Part 2 — Level I · Guide

June 25, 2026 · Bridge Academy Python Program

Learning goals

• Change case with .upper(), .lower(), .title(), .capitalize().
• Split a string into pieces with .split() and stitch pieces together with .join().
• Search with .find() and rewrite text with .replace().
• Clean whitespace with .strip(), .lstrip(), .rstrip().
• Test endings with .startswith(), .endswith(), and count occurrences with .count().
• Format f-string values with :.2f and alignment like {num:>5}.

This lesson covers PCEP-30-02 objective 3.4.