diff --git a/Section4/main.go b/Section4/main.go
new file mode 100644
index 0000000..48305eb
--- /dev/null
+++ b/Section4/main.go
@@ -0,0 +1,45 @@
+package main
+
+import "fmt"
+
+func main() {
+	var age int = 44
+	fmt.Println("Age:", age)
+
+	var name = "Seb"
+	fmt.Println("Name:", name)
+
+	s := "Learning golang"
+	fmt.Println(s)
+
+	car, cost := "Audi", 50000
+	fmt.Println(car, cost)
+
+	car, year := "BMW", 2018
+	_ = year
+
+	var opened = false
+	opened, file := true, "a.txt"
+	_, _ = opened, file
+
+	var (
+		salary    float64
+		firstName string
+		gender    bool
+	)
+	fmt.Println(salary, firstName, gender)
+
+	var a, b, c int
+	fmt.Println(a, b, c)
+
+	var i, j int
+	i, j = 5, 8
+
+	j, i = i, j
+
+	fmt.Println(i, j)
+
+	sum := 5 + 2.3
+	fmt.Println(sum)
+
+}