Print function for output in Swift - Mini Project: Build & Apply

Print function for output

📖 Scenario: You want to greet your friends by printing messages on the screen.

🎯 Goal: Learn how to use the print function in Swift to show messages on the screen.

📋 What You'll Learn

Create a variable with a greeting message

Create a variable with a friend's name

Use the print function to show the greeting message

Use the print function to show a combined greeting with the friend's name

💡 Why This Matters

🌍 Real World

Printing messages is the first step in making apps that talk to users.

💼 Career

Knowing how to show output is essential for debugging and user interaction in software development.

1

Create a greeting message

Create a variable called greeting and set it to the string "Hello".

Swift

# Create a variable called greeting and set it to "Hello"
# Your code here

Need a hint?

Use var greeting = "Hello" to create the variable.

2

Create a friend's name variable

Create a variable called friendName and set it to the string "Anna".

Swift

var greeting = "Hello"
# Create a variable called friendName and set it to "Anna"
# Your code here

Need a hint?

Use var friendName = "Anna" to create the variable.

3

Print the greeting message

Use the print function to display the value of the variable greeting.

Swift

var greeting = "Hello"
var friendName = "Anna"
# Use print to show the greeting message
# Your code here

Need a hint?

Use print(greeting) to show the greeting.

4

Print a combined greeting with the friend's name

Use the print function to display the combined message: "Hello, Anna!" by joining greeting and friendName with a comma and exclamation mark.

Swift

var greeting = "Hello"
var friendName = "Anna"
print(greeting)
# Use print to show "Hello, Anna!" by combining greeting and friendName
# Your code here

Need a hint?

Use string interpolation like "\(greeting), \(friendName)!" inside print.