Day 6: Imports Are Not Just Includes — Module System & Execution
You think import just brings code into your file. It does much more than that. Today, you understand how Python loads, initializes, and caches modules. Today’s Goal By the end of today, you will: Understand how Python resolves imports Learn module execution model Understand import caching Avoid common import pitfalls The Illusion import math You think: Python just loads math Reality: Python searches, loads, compiles (if needed), executes, and caches the module ...