diff --git a/README.md b/README.md
index e69de29..3fc1e56 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1 @@
+Replace Excel 
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9decd78
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module Portifolio
+
+go 1.25.7
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..65d9935
--- /dev/null
+++ b/main.go
@@ -0,0 +1,7 @@
+package portifolio
+
+import "fmt"
+
+func main() {
+	fmt.Println("hello world")
+}