Variables and Inputs

Lecture Overview

Topics Covered:

1. Variables - What they are and how to use them
2. Data Types - Integers, floats, strings, and booleans
3. Input and Output - Getting user input and displaying results

Part 1: Variables

Why Do We Need Variables?

The Problem

Imagine you're writing a program for a game:

• You need to remember the player's name
• You need to track their score
• You need to update these values throughout the game

Without variables, you'd have to:

• Repeat the player's name everywhere in your code
• Update the score in multiple places
• If the player wants to change their name, you'd have to find and update every single occurrence

The Solution: Variables