diff --git a/golang/lab7/Drink.go b/golang/lab7/Drink.go
new file mode 100644
index 00000000..9eb3c2a6
--- /dev/null
+++ b/golang/lab7/Drink.go
@@ -0,0 +1,31 @@
+package lab7
+
+import (
+	"fmt"
+)
+
+type Drink struct {
+	Name   string
+	Volume string
+	Price  float64
+}
+
+func (d Drink) GetInfo() {
+	fmt.Println("В магазине продаётся", d.Name, "объёмом", d.Volume, ", ценой", d.Price, "руб.")
+}
+
+func (d Drink) GetPrice() float64 {
+	return d.Price
+}
+
+func (d *Drink) SetDiscount(x float64) {
+	(*d).Price = (d.Price / 100) * (100 - x)
+}
+
+func (d *Drink) EditPrice(x float64) {
+	(*d).Price = x
+}
+
+func (d *Drink) EditDescription(x string) {
+	(*d).Volume = x
+}
diff --git a/golang/lab7/Lipstick.go b/golang/lab7/Lipstick.go
new file mode 100644
index 00000000..ad52c1c2
--- /dev/null
+++ b/golang/lab7/Lipstick.go
@@ -0,0 +1,31 @@
+package lab7
+
+import (
+	"fmt"
+)
+
+type Lipstick struct {
+	Brand   string
+	Color string
+	Price  float64
+}
+
+func (l Lipstick) GetInfo() {
+	fmt.Println("В магазине продаётся", l.Color, l.Brand, "ценой", l.Price, "руб.")
+}
+
+func (l Lipstick) GetPrice() float64 {
+	return l.Price
+}
+
+func (l *Lipstick) SetDiscount(x float64) {
+	(*l).Price = (l.Price / 100) * (100 - x)
+}
+
+func (l *Lipstick) EditPrice(x float64) {
+	(*l).Price = x
+}
+
+func (l *Lipstick) EditDescription(x string) {
+	(*l).Color = x
+}
diff --git a/golang/lab7/Toy.go b/golang/lab7/Toy.go
new file mode 100644
index 00000000..f6223773
--- /dev/null
+++ b/golang/lab7/Toy.go
@@ -0,0 +1,29 @@
+package lab7
+
+import "fmt"
+
+type Toy struct {
+	Hero  string
+	Size  string
+	Price float64
+}
+
+func (t Toy) GetInfo() {
+	fmt.Println("В магазине продаётся", t.Hero, "размером", t.Size, ", ценой", t.Price, "руб.")
+}
+
+func (t Toy) GetPrice() float64 {
+	return t.Price
+}
+
+func (t *Toy) SetDiscount(x float64) {
+	(*t).Price = (t.Price / 100) * (100 - x)
+}
+
+func (t *Toy) EditPrice(x float64) {
+	(*t).Price = x
+}
+
+func (t *Toy) EditDescription(x string) {
+	(*t).Size = x
+}
diff --git a/golang/lab7/lab7.go b/golang/lab7/lab7.go
new file mode 100644
index 00000000..eb4851aa
--- /dev/null
+++ b/golang/lab7/lab7.go
@@ -0,0 +1,48 @@
+package lab7
+
+import (
+	"fmt"
+)
+
+type Product interface {
+	GetInfo()
+	GetPrice() float64
+	SetDiscount(float64)
+	EditPrice(float64)
+	EditDescription(string)
+}
+
+func CalculatePrice(purchase []Product) float64 {
+	var total float64 = 0
+	for _, price := range purchase {
+		total += price.GetPrice()
+	}
+	return total
+}
+
+func RunLab7() {
+	var drink Product = &Drink{"кола", "1.95 л", 160}
+	var toy Product = &Toy{"котик", "25 см", 1650}
+	var lipstick Product = &Lipstick{"NARS", "бардовая", 4700}
+	var purchase []Product = []Product{drink, toy, lipstick}
+
+	drink.GetInfo()
+	toy.GetInfo()
+	lipstick.GetInfo()
+
+	total := CalculatePrice(purchase)
+	fmt.Println("Общая стоимость товара:", total)
+
+	drink.EditPrice(190)
+	toy.EditDescription("1 м")
+	toy.SetDiscount(10)
+	lipstick.SetDiscount(5)
+	lipstick.EditDescription("алая")
+
+	drink.GetInfo()
+	toy.GetInfo()
+	lipstick.GetInfo()
+
+	total = CalculatePrice(purchase)
+	fmt.Println("Общая стоимость товара:", total)
+}
diff --git a/golang/main.go b/golang/main.go
index 5ec5d29a..79f3d03d 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -7,10 +7,13 @@ import (
 	"isuct.ru/informatics2022/lab4"
 
 	"isuct.ru/informatics2022/lab6"
+	"isuct.ru/informatics2022/lab7"
 )
 
 func main() {
 	fmt.Println("Мошкова Елизавета Алексеевна ")
 	lab6.RunLab6()
+	lab4.RunLab4()
+	lab7.RunLab7()
   lab4.RunLab4()
 }