Adds range egs

Author: hegdeashwin

codes/ch4_looping/range.go

@@ -0,0 +1,26 @@
+package main
+
+import "fmt";
+
+type Profile struct {
+	name string
+	role string
+}
+
+func main() {
+
+	slice := []Profile {
+		{"Ashwin", "Sr. Fullstack Engineer"},
+		{"Kumar", "Sr. Engineering Manager"},
+		{"Saju", "Sr. Solution Architect"},
+		{"Ajay", "Sr. Solution Architect"}, // comma is needed here
+	}
+
+	/**
+	 * _ is index; we are not using it; thus replacing with _
+	 */
+	for _, employee := range slice {
+		fmt.Println("Profile: " + employee.name + " (" + employee.role + ")" )
+	}
+
+}