Chapter 3 - Section 1
val myName = "David"
fun main(args: Array<String>) {
var num1 = 45.0
println("The initial value of num1 is $num1")
num1 ++
println("The new value of num1 is $num1")
val num2:Double = 5.toDouble()
println("The value of num2 is $num2")
println("My name is $myName")
}