diff --git a/golang/lab7/Cosmetic.go b/golang/lab7/Cosmetic.go
new file mode 100644
index 00000000..c7ebe6bc
--- /dev/null
+++ b/golang/lab7/Cosmetic.go
@@ -0,0 +1,28 @@
+package lab7
+import "fmt"
+
+type Cosmetic struct {
+	Name   string
+	Brend string
+	Price  float32
+}
+
+func (c Cosmetic) GetInformation() {
+	fmt.Println("У нас есть в наличии", c.Name, "из бренда", c.Brend, "и стоит", c.Price)
+}
+
+func (c Cosmetic) GetPrice() float32 {
+	return c.Price
+}
+
+func (c *Cosmetic) ApplyDiscount(x float32) {
+	(*c).Price = (c.Price / 100) * (100 - x)
+}
+
+func (c *Cosmetic) ChangePrice(x float32) {
+	(*c).Price = x
+}
+
+func (c *Cosmetic) ChangeDescription(x string) {
+	(*c).Brend = x
+}
diff --git a/golang/lab7/Sweets.go b/golang/lab7/Sweets.go
new file mode 100644
index 00000000..9c8798ab
--- /dev/null
+++ b/golang/lab7/Sweets.go
@@ -0,0 +1,27 @@
+package lab7
+import "fmt"
+type Sweets struct {
+	Name  string
+	Taste  string
+	Price float32
+}
+
+func (s Sweets) GetInformation() {
+	fmt.Println("У нас есть в наличии", s.Name, "вкуса", s.Taste, "стоимостью", s.Price)
+}
+
+func (s Sweets) GetPrice() float32 {
+	return s.Price
+}
+
+func (s *Sweets) ApplyDiscount(x float32) {
+	(*s).Price = (s.Price / 100) * (100 - x)
+}
+
+func (s *Sweets) ChangePrice(x float32) {
+	(*s).Price = x
+}
+
+func (s *Sweets) ChangeDescription(x string) {
+	(*s).Taste = x
+}
diff --git a/golang/lab7/lab7.go b/golang/lab7/lab7.go
new file mode 100644
index 00000000..0bc9dc90
--- /dev/null
+++ b/golang/lab7/lab7.go
@@ -0,0 +1,43 @@
+package lab7
+
+import "fmt"
+
+type Products interface {
+	GetInformation()
+	GetPrice() float32
+	ApplyDiscount(float32)
+	ChangePrice(float32)
+	ChangeDescription(string)
+}
+
+
+func CalculateBuy(list []Products) float32 {
+	var sum float32 = 0
+	for _, price := range list {
+		sum += price.GetPrice()
+	}
+	return sum
+}
+
+func RunLab7Tasks() {
+	var cosmetic Products = &Cosmetic{"помада", "Gucci", 5000}
+	var techcic Products = &Technic{"ноутбук", "Apple", 169660}
+	var sweets Products = &Sweets{"Сникерс", "Солёная карамель", 85}
+	cosmetic.GetInformation()
+	techcic.GetInformation()
+	sweets.GetInformation()
+	var buy []Products = []Products{cosmetic , techcic, sweets}
+	sum := CalculateBuy(buy)
+	fmt.Println("Товары стоят",sum)
+	techcic.ChangePrice(150000)
+	cosmetic.ChangeDescription("LV")
+	cosmetic.ApplyDiscount(5)
+	sweets.ApplyDiscount(60)
+	sweets.ChangeDescription("Белый шоколад")
+	techcic.GetInformation()
+	cosmetic.GetInformation()
+	sweets.GetInformation()
+
+	sum = CalculateBuy(buy)
+	fmt.Println("Товары стоят",sum)
+}
diff --git a/golang/lab7/technic.go b/golang/lab7/technic.go
new file mode 100644
index 00000000..67d22d1e
--- /dev/null
+++ b/golang/lab7/technic.go
@@ -0,0 +1,27 @@
+package lab7
+import "fmt"
+type Technic struct {
+	Name      string
+	Brend     string
+	Price     float32
+}
+
+func (t Technic) GetInformation() {
+	fmt.Println("У нас есть в наличии", t.Name, "от компании", t.Brend, "и стоит", t.Price)
+}
+
+func (t Technic) GetPrice() float32 {
+	return t.Price
+}
+
+func (t *Technic) ApplyDiscount(x float32) {
+	(*t).Price = (t.Price / 100) * (100 - x)
+}
+
+func (t *Technic) ChangePrice(x float32) {
+	(*t).Price = x
+}
+
+func (t *Technic) ChangeDescription(x string) {
+	(*t).Brend = x
+}
diff --git a/golang/main.go b/golang/main.go
index 71c1bbcd..232912b8 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -1,10 +1,10 @@
-
 package main  
   
 import (  
     "fmt"  
     "isuct.ru/informatics2022/lab4" 
     "isuct.ru/informatics2022/lab6" 
+    "isuct.ru/informatics2022/lab7" 
 )  
     
   
@@ -12,4 +12,5 @@ func main() {
     fmt.Println("Рукина Полина Владимировна")  
     lab4.RunLab4Tasks() 
     lab6.Runlab6()
-}
\ No newline at end of file
+    lab7.RunLab7Tasks()
+}