Kotlin program of character range using (..) operator

fun main(args : Array<String>){
    // creating character ranges
    println("Character range 1:")    
    for(x in 'a'..'g'){
        println(x)
    }
    println()

    println("Character range 2:")    
    for(x in 'g'..'p'){
        println(x)
    }
    println()
}

Output:

Character range 1:
a
b
c
d
e
f
g

Character range 2:
g
h
i
j
k
l
m
n
o
p