[Solved] What will be the output of this Swift program? @main enum Runner { static func main() { for i in 1...3 { print(i) } } } | Swift

Swift - Basics and Runtime

What will be the output of this Swift program?

@main enum Runner {
    static func main() {
        for i in 1...3 {
            print(i)
        }
    }
}

A123

B3 2 1

C1 2 3

DNo output

Step-by-Step Solution

Solution:

Step 1: Analyze the loop
The loop runs from 1 to 3, printing each number on its own line.
Step 2: Confirm output format
Each print outputs the current number followed by a newline.
Final Answer:
1 2 3 -> Option C
Quick Check:
For loop prints 1 to 3 sequentially [OK]

Quick Trick: For loops print each iteration on new line [OK]

Common Mistakes:

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