diff --git a/golang/laba8/CreateFIle.go b/golang/laba8/CreateFIle.go
new file mode 100644
index 00000000..4d6ec17a
--- /dev/null
+++ b/golang/laba8/CreateFIle.go
@@ -0,0 +1,13 @@
+package laba8
+
+import (
+	"os"
+)
+
+func CreateFile(filename string) (string, error) {
+	_, _ = os.Stat(filePath + filename)
+	f, _ := os.Create(filePath + filename)
+
+	defer f.Close()
+	return filename, nil
+}
diff --git a/golang/laba8/Input.txt b/golang/laba8/Input.txt
new file mode 100644
index 00000000..98c66ef8
--- /dev/null
+++ b/golang/laba8/Input.txt
@@ -0,0 +1,10 @@
+7.2
+4.2
+1.81
+5.31
+0.7
+2.4
+2.8
+3.9
+4.7
+3.16
\ No newline at end of file
diff --git a/golang/laba8/ReaderFile.go b/golang/laba8/ReaderFile.go
new file mode 100644
index 00000000..09407b6c
--- /dev/null
+++ b/golang/laba8/ReaderFile.go
@@ -0,0 +1,18 @@
+package laba8
+
+import (
+	"bufio"
+	"os"
+)
+
+func ReadDataFromFile(filename string) []string {
+	var textSlice []string
+	f, _ := os.OpenFile(filePath+filename, os.O_RDONLY, 0600)
+	defer f.Close()
+	fileScanner := bufio.NewScanner(f)
+	for fileScanner.Scan() {
+		textSlice = append(textSlice, fileScanner.Text())
+	}
+
+	return textSlice
+}
diff --git a/golang/laba8/SearchingString.go b/golang/laba8/SearchingString.go
new file mode 100644
index 00000000..e6335d0d
--- /dev/null
+++ b/golang/laba8/SearchingString.go
@@ -0,0 +1,15 @@
+package laba8
+
+func SearchingString(filename, valueForSearch string) bool {
+	if valueForSearch == "" {
+		return false
+	}
+	values := ReadDataFromFile(filename)
+
+	for _, value := range values {
+		if value == valueForSearch {
+			return true
+		}
+	}
+	return false
+}
diff --git a/golang/laba8/WriterFile.go b/golang/laba8/WriterFile.go
new file mode 100644
index 00000000..9d83705d
--- /dev/null
+++ b/golang/laba8/WriterFile.go
@@ -0,0 +1,18 @@
+package laba8
+
+import (
+	"fmt"
+	"os"
+)
+
+func WriteDataToFile(filename string) {
+	f, _ := os.OpenFile(filePath+filename, os.O_WRONLY, 0600)
+	defer f.Close()
+	var name string
+	fmt.Scan(&name)
+	var surname string
+	fmt.Scan(&surname)
+
+	f.WriteString(name)
+	f.WriteString(surname)
+}
diff --git a/golang/laba8/laba8.go b/golang/laba8/laba8.go
new file mode 100644
index 00000000..3b4734e0
--- /dev/null
+++ b/golang/laba8/laba8.go
@@ -0,0 +1,34 @@
+package laba8
+
+import (
+	"fmt"
+)
+
+var filePath string = "../golang/laba8/"
+
+func RunLab8() {
+	var filename string
+	fmt.Println("Введите имя файла, в который вы хотите записать данные:")
+	fmt.Scan(&filename)
+	name, _ := CreateFile(filename)
+
+	fmt.Println("Введите данные в файл (для завершения ввода введите q):")
+	WriteDataToFile(name)
+
+	slice := ReadDataFromFile(name)
+
+	fmt.Printf("Чтение файла %s завершено\n", filename)
+	for _, str := range slice {
+		fmt.Println(str)
+	}
+
+	fmt.Println("Введите строку, которую хотите найти в файле: ")
+	var SearchString string
+	fmt.Scan(&SearchString)
+	isFind := SearchingString(name, SearchString)
+	if isFind {
+		fmt.Printf("Слово найдено на строке %t", isFind)
+	} else {
+		fmt.Println("Слово не найдено")
+	}
+}
diff --git a/golang/laba8/laba8tolaba4.go b/golang/laba8/laba8tolaba4.go
new file mode 100644
index 00000000..f7fe47de
--- /dev/null
+++ b/golang/laba8/laba8tolaba4.go
@@ -0,0 +1,52 @@
+package laba8
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+
+	"isuct.ru/informatics2022/laba4"
+)
+
+func ReadDataFromFileForLab4(filename string) ([]float64, error) {
+	f, err := os.Open(filePath + filename)
+	fmt.Println(err)
+	if err != nil {
+		return nil, fmt.Errorf("ошибка открытия файла")
+	}
+	fileScanner := bufio.NewScanner(f)
+	var values []float64
+	for fileScanner.Scan() {
+		chislo, err := strconv.ParseFloat(fileScanner.Text(), 64)
+		if err != nil {
+			return nil, fmt.Errorf("ошибка при переводе числа")
+		}
+		values = append(values, chislo)
+	}
+	return values, nil
+}
+
+func RunLab8forLab4() {
+	values, _ := ReadDataFromFileForLab4("Input.txt")
+
+	var a float64 = values[0]
+	var b float64 = values[1]
+	var taskBslice = values[5:]
+	fmt.Println("Задача А")
+	var xn float64 = values[2]
+	var xk float64 = values[3]
+	var deltax float64 = values[4]
+	for _, pair := range laba4.TaskA(a, b, xn, xk, deltax) {
+		x := pair[0]
+		y := pair[1]
+		fmt.Printf("x = %.2f\ty = %f\n", x, y)
+	}
+	fmt.Println()
+	fmt.Println("Задание B")
+	for _, pair := range laba4.TaskB(a, b, taskBslice) {
+		x := pair[0]
+		y := pair[1]
+		fmt.Printf("x = %.2f\ty = %f\n", x, y)
+	}
+}
diff --git a/golang/main.go b/golang/main.go
index 60c07d58..058ad2f5 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -6,6 +6,7 @@ import (
 	"isuct.ru/informatics2022/laba4"
 	"isuct.ru/informatics2022/laba6"
 	"isuct.ru/informatics2022/laba7"
+	"isuct.ru/informatics2022/laba8"
 )
 
 func main() {
@@ -13,4 +14,6 @@ func main() {
 	laba4.Runlab4()
 	laba6.Runlaba6()
 	laba7.RunLaba7()
+	laba8.RunLab8forLab4()
+	laba8.RunLab8()
 }