// Test string operations and interpolation
println("Testing string operations...")

let name = "Alice"
let age = 30

// String interpolation
let greeting = f"Hello, {name}! You are {age} years old."
println(greeting)

// String methods
let text = "  Hello World  "
println(text.trim())
println(text.to_upper())
println(text.to_lower())

// String concatenation
let first = "Hello"
let second = "World"
let combined = first + " " + second
println(combined)

// String length
let sample = "Ruchy"
println(f"Length of '{sample}': {sample.len()}")

println("String tests completed!")