Скачать или смотреть Day 3 Multiple if in Python: When & How to Stack Conditions

“Not everything is either/or—learn how multiple if checks can all run to stack features like add-ons & upgrades.”
Welcome to Day 3 — Multiple If Statements in Succession.
In this lesson we go beyond if/elif/else. You’ll learn when to use separate if blocks so multiple conditions can be true—and executed—in the same run. Perfect for real-world logic like base price + add-ons (e.g., photo add-on on a roller coaster ticket).

What you’ll learn

✅ The difference between if/elif/else vs multiple if

✅ How to stack independent conditions (e.g., “add $3 photo” regardless of age tier)

✅ Where to place inputs & updates (indentation matters!)

✅ Using += to build totals cleanly

✅ Common mistakes: nesting add-ons inside the wrong block, skipping cases
This is a must-know control flow pattern for beginners in #100DaysOfCode—you’ll use it in billing, forms, e-commerce, and game power-ups.

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