What does the following Swift code print?

easy📝 Conceptual Q11 of 15

Swift - Loops

What does the following Swift code print?
for i in 1...3 { print(i) }

A1 2

B1 2 3

C0 1 2 3

D2 3 4

Step-by-Step Solution

Solution:

Step 1: Understand the range operator
The range 1...3 is a closed range including 1, 2, and 3.
Step 2: Loop prints each number in the range
The loop prints 1, then 2, then 3 on separate lines.
Final Answer:
1 2 3 -> Option B
Quick Check:
Closed range includes last number = 1 2 3 [OK]

Quick Trick: Closed range includes last number, so count all numbers [OK]

Common Mistakes:

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