diff --git a/golang/Informatics_2024 b/golang/Informatics_2024
new file mode 160000
index 00000000..ea3aab55
--- /dev/null
+++ b/golang/Informatics_2024
@@ -0,0 +1 @@
+Subproject commit ea3aab550a1bc9d754d59d45399f2cacba72f8a3
diff --git a/golang/lab4/lab4.go b/golang/lab4/lab4.go
index 69edc658..27dc17a7 100644
--- a/golang/lab4/lab4.go
+++ b/golang/lab4/lab4.go
@@ -1,32 +1,64 @@
+package lab4
 
-package lab4 
- 
-import ( 
-    "math"
+import (
     "fmt"
+    "math"
+    "strconv"
+    "isuct.ru/informatics2022/lab8"
 )
-func  CalculateExpression (a float64, x float64) float64 { 
-    return math.Tan(math.Pow(math.Log10(a+x), 3)) / math.Pow(a+x, 2.0/7.0) 
-} 
- 
-func TaskA(a , xi , xk , deltax float64) []float64 { 
-     var values []float64 
-    for x := xi; x <= xk; x += deltax { 
-        values = append(values,  CalculateExpression (a, x)) 
-    } 
-    return values 
-} 
- 
-func TaskB(a float64, x [5]float64) []float64 { 
+
+func CalculateExpression(a float64, x float64) float64 {
+    return math.Tan(math.Pow(math.Log10(a+x), 3)) / math.Pow(a+x, 2.0/7.0)
+}
+
+func TaskA(a, xi, xk, deltax float64) []float64 {
+    var values []float64
+    for x := xi; x <= xk; x += deltax {
+        values = append(values, CalculateExpression(a, x))
+    }
+    return values
+}
+
+func TaskB(a float64, x [5]float64) []float64 {
     var values []float64
     for _, value := range x {
-        values = append(values,  CalculateExpression (a, value)) 
-    } 
+        values = append(values, CalculateExpression(a, value))
+    }
     return values
 }
+
+func GetInputForTask4() []float64 {
+    fmt.Println("Введите данные для Xi, Xk, delX и массив для задач A и B")
+    arr := lab8.RunLab8Tasks()
+    var input []float64
+    for _, values := range arr {
+        value, _ := strconv.ParseFloat(values, 64)
+        input = append(input, value)
+    }
+    return input
+}
+
 func RunLab4Tasks() {
     a := 2.0
     fmt.Println(TaskA(a, 1.08, 1.88, 0.16))
-	  var s = [5]float64{1.16, 1.35, 1.48, 1.52, 1.96}
-	  fmt.Println(TaskB(a,s))
-}
\ No newline at end of file
+
+    var s = [5]float64{1.16, 1.35, 1.48, 1.52, 1.96}
+    fmt.Println(TaskB(a, s))
+
+    arr := GetInputForTask4()
+    values := [5]float64{}
+	
+    if len(arr) >= 8 {
+        copy(values[:], arr[3:8]) 
+    } else {
+        fmt.Println("Недостаточно элементов в arr для копирования.")
+        return
+    }
+
+    ValuesA := TaskA(a, arr[0], arr[1], arr[2])
+    ValuesB := TaskB(a, values)
+
+    fmt.Println(ValuesA)
+    fmt.Println(ValuesB)
+}
+
diff --git a/golang/lab8/lab8.go b/golang/lab8/lab8.go
new file mode 100644
index 00000000..12e60bfc
--- /dev/null
+++ b/golang/lab8/lab8.go
@@ -0,0 +1,93 @@
+package lab8
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+)
+
+func MakeNewFile(name string) {
+	file, err := os.Create(name)
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+}
+
+func InputData() []string {
+	var count int
+	fmt.Print("Введите количество значений: ")
+	fmt.Fscan(os.Stdin, &count)
+	var arr []string
+	var value string
+	for i := 1; i <= count; i++ {
+		fmt.Print("Введите значение: ")
+		fmt.Fscan(os.Stdin, &value)
+		arr = append(arr, value)
+	}
+	return arr
+}
+
+func ReadInputFromFile(name string) []string {
+	var arr []string
+	file, err := os.Open(name)
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+	for {
+		data := make([]byte, 64)
+		for {
+			n, err := file.Read(data)
+			if err == io.EOF {
+				break
+			}
+			arr = append(arr, string(data[:n]))
+			break
+		}
+		return arr
+	}
+}
+
+func WriteInFile(name string, arr []string) {
+	file, err := os.OpenFile(name, os.O_RDWR, 0666)
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+	for _, value := range arr  {
+		file.WriteString(value + "\n")
+	}
+}
+
+
+func SearchInputFromFile(name string, ValueFile string) {
+	arr := strings.Split( ReadInputFromFile(name)[0], "\n")
+	for _, value := range arr {
+		if value == ValueFile {
+			fmt.Println("Ошибка при поиске в файле")
+			break
+		}
+	}
+}
+
+func RunLab8Tasks() []string {
+	var NameFile string
+	fmt.Print("Введите название файла: ")
+	fmt.Fscan(os.Stdin, &NameFile)
+	MakeNewFile(NameFile)
+
+	arr := InputData()
+	WriteInFile(NameFile, arr)
+
+	arr = strings.Split(ReadInputFromFile(NameFile)[0], "\n")
+	arr = arr[0 : len(arr)-1]
+
+	var Search string
+	fmt.Print("Введите значение для поиска: ")
+	fmt.Fscan(os.Stdin, &Search)
+	SearchInputFromFile(NameFile, Search)
+
+	return arr
+}
diff --git a/golang/main.go b/golang/main.go
index 232912b8..2af9e036 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -4,7 +4,8 @@ import (
     "fmt"  
     "isuct.ru/informatics2022/lab4" 
     "isuct.ru/informatics2022/lab6" 
-    "isuct.ru/informatics2022/lab7" 
+    "isuct.ru/informatics2022/lab7"
+    "isuct.ru/informatics2022/lab8"  
 )  
     
   
@@ -13,4 +14,5 @@ func main() {
     lab4.RunLab4Tasks() 
     lab6.Runlab6()
     lab7.RunLab7Tasks()
+    lab8.RunLab8Tasks()
 }