Hear Me Code Lesson 4

What you'll learn:

• Functions

Just a few practical examples:

• Writing code that is very flexible, reusable, and has different effects based on the variables passed to it

Examples in real projects:

• Determines whether a string contains only hexadecimal characters (0-9, a-f): Used in https://metromapmaker.com
• Replaces the contents of a given string with potentially unsafe HTML characters removed: Used in https://metromapmaker.com

Code Samples:

• https://github.com/shannonturner/python-lessons/tree/master/section_09_(functions)

Exercises:

• CSV to List: https://github.com/shannonturner/python-lessons/blob/master/playtime/lesson04_csvtolist.py
• Deduplicate: https://github.com/shannonturner/python-lessons/blob/master/playtime/lesson04_deduplicate.py

Vocabulary

Concepts Learned:

• Functions

Keywords learned:

• def
• return