Python from Scratch - Lesson 3: Functions and Modules

Python from Scratch - Lesson 3: Functions and Modules

Learn to create and use functions and modules in Python, building on previous lessons about variables and control structures. Explore function arguments, return values, and built-in functions like print(), len(), and range(). Discover how to create custom modules, import existing ones, and utilize essential Python modules such as random, math, urllib2, datetime, and os. Gain practical knowledge through examples like calculating tax and working with dates and times, while picking up useful tips for efficient Python programming.