Data update

Task/Substring/Kotlin/substring.kts

@@ -0,0 +1,17 @@
+// version 1.0.6
+
+fun main(args: Array<String>) {
+    val s = "0123456789"
+    val n = 3
+    val m = 4
+    val c = '5'
+    val z = "12"
+    var i: Int
+    println(s.substring(n, n + m))
+    println(s.substring(n))
+    println(s.dropLast(1))
+    i = s.indexOf(c)
+    println(s.substring(i, i + m))
+    i = s.indexOf(z)
+    println(s.substring(i, i + m))
+}