diff --git a/main.go b/main.go
index fc0e554..2422438 100644
--- a/main.go
+++ b/main.go
@@ -4,7 +4,91 @@ import (
 	"fmt"
 )
 
-
 func main() {
-	
-}
\ No newline at end of file
+	sliceOfAnimals := [] animal {
+		cow{name: "Cow", weight:136},
+		cat{name: "Cat", weight: 7},
+		dog{name: "Dog", weight:15},
+	}
+	fmt.Printf("The total amound of feed for all the animals is %v kg\n", totalFeedIntake(sliceOfAnimals))
+}
+
+
+type animal interface {
+	getName() string
+	feedIntake() float32
+	getWeight() float32
+}
+
+type cow struct {
+	weight float32
+	name string
+}
+
+type cat struct {
+	weight float32
+	name string
+}
+
+type dog struct {
+	weight float32
+	name string
+}
+
+// returning the name of an animal
+
+func (c cow) getName() string {
+	return c.name
+}
+
+func (c cat) getName() string {
+	return c.name
+}
+
+func (d dog) getName() string {
+	return d.name
+}
+
+// returning the feed Intake of an animal
+
+func (c cow) feedIntake() float32 {
+	return c.weight * 25.0
+}
+
+func (c cat) feedIntake() float32 {
+	return c.weight * 7.0
+}
+
+func (d dog) feedIntake() float32 {
+	return d.weight * 2.0
+}
+
+// returning the weight of an animal
+
+func (c cow) getWeight() float32 {
+	return c.weight
+}
+
+func (c cat) getWeight() float32 {
+	return c.weight
+}
+
+func (d dog) getWeight() float32 {
+	return d.weight
+}
+
+
+func printFeedIntake(a animal) {
+	fmt.Printf("Our %v is %v kg and consumes %v kg of feed per month\n", a.getName(), a.getWeight(), a.feedIntake())
+}
+
+func totalFeedIntake(animals []animal) float32 {
+	var total float32
+	for _, a := range animals {
+		printFeedIntake(a)
+		total = total + a.feedIntake()
+	}
+	return total
+}
+
+