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What will this Swift code print?

medium📝 Predict Output Q4 of 15
Swift - Basics and Runtime
What will this Swift code print?
let platform = "Apple"
let message = "Swift runs on \(platform) devices"
print(message)
ASwift runs on \(platform) devices
BError: Invalid string interpolation
CSwift runs on platform devices
DSwift runs on Apple devices
Step-by-Step Solution
Solution:
  1. Step 1: Understand string interpolation in Swift

    Swift replaces \(variable) inside strings with the variable's value.
  2. Step 2: Evaluate the given code

    Here, \(platform) becomes "Apple", so the message is "Swift runs on Apple devices".
  3. Final Answer:

    Swift runs on Apple devices -> Option D
  4. Quick Check:

    String interpolation output = B [OK]
Quick Trick: Use \(variable) to insert values inside strings [OK]
Common Mistakes:
  • Thinking \(platform) prints literally
  • Confusing string interpolation syntax
  • Expecting an error from correct code

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