String Templates in Kotlin

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fun simpleTemplate(name: String) = "Learn some cool Kotlin tips with $name"

fun expressionEvaluation(name: String) = "$name has ${name.length} characters"

fun complexFormat(number: Double) = "%.2f".format(number)

fun main(args: Array<String>) {
    val name = "RealKotlin"

    println(simpleTemplate(name))
    // Learn some cool Kotlin tips with RealKotlin

    println(expressionEvaluation(name))
    // RealKotlin has 10 characters

    println("pi = ${complexFormat(Math.PI)}")
    //pi = 3.14
}