[Solved] Find the error in this Swift code:func greet(_ person: String, from hometown: String) { print("Hello \(person)! Glad you came from \(hometown).") } greet("John", "New York") | Swift

Swift - Functions

Find the error in this Swift code:

func greet(_ person: String, from hometown: String) {
    print("Hello \(person)! Glad you came from \(hometown).")
}
greet("John", "New York")

ANo error, code runs fine

BUnderscore used incorrectly for first parameter

CFunction print statement syntax error

DMissing argument label 'from' in function call

Step-by-Step Solution

Solution:

Step 1: Check parameter labels
First parameter uses _ so no label needed; second parameter requires label from.
Step 2: Analyze function call
Calling greet("John", "New York") misses the required label from: for second parameter.
Final Answer:
Missing argument label 'from' in function call -> Option D
Quick Check:
Underscore omits first label; second label required [OK]

Quick Trick: Labels must match unless _ is used [OK]

Common Mistakes:

Master "Functions" in Swift

9 interactive learning modes - each teaches the same concept differently

More Swift Quizzes

Find the error in this Swift code: