Variables and data types shape how programs reason about data, memory, and safety.
Variables are memory boxes that store and update values for calculations.
Clear names reveal purpose, reduce errors, and guide readability and maintenance.
Integers, floats, strings, and booleans define what operations are sensible.
Memory, alignment, and value vs. reference types shape performance and correctness.
Get 2 hours every time you refer a friend and they create an episode!
