Lesson 04 · Python
Python Foundations: Strings, Slicing & Comprehensions
Work with text using strip, split, join and replace, slice strings and lists with start:stop:step, and build new lists with comprehensions.
Prerequisites: Python Foundations: Lists, Tuples, Dicts & Sets
Learning objectives
By the end of this lesson, you will be able to:
- Clean text with strip, lower, split, join and replace
- Slice strings and lists with start:stop:step, including negatives
- Test membership with in on strings and lists
- Build filtered lists with comprehensions
- Judge when a plain loop reads better than a comprehension