diff --git a/hello.go b/hello.go
index a3dd973..90172a2 100644
--- a/hello.go
+++ b/hello.go
@@ -4,4 +4,21 @@ import "fmt"
 
 func main() {
 	fmt.Println("Hello, World!")
+
+	// string variable
+	var name string
+	name = "John Doe"
+	fmt.Println("Hello, " + name + "!")
+
+	lastname := "Brahmin"
+	fmt.Println("Latname: " + lastname)
+
+	fmt.Printf("Name: %s, Lastname: %s\n", name, lastname)
+	// decimal variable
+	fmt.Printf(("Salary: %f\n"), 1000.23)
+
+	fmt.Printf("Salary: %.2f\n", 1000.238)
+
+	fmt.Printf("Age: %d\n", 25)
+
 }