Entry to Rollercoaster 🎢 Concepts: Input functions, if-else statements, nested if, and f-strings. Python Pizza Delivery 🍕 Concepts: Input functions, if-else statements, nested if, and f-strings.

In this example, if you enter a number that is greater than or equal to 18, you’ll see two messages. Indentation: Indentation is very important in Python. Any statement that follows the if statement ...