diff --git a/golangr/array/LICENSE b/golangr/array/LICENSE
new file mode 100644
index 0000000..e69de29
diff --git a/golangr/array/cmd/root.go b/golangr/array/cmd/root.go
new file mode 100644
index 0000000..4c27934
--- /dev/null
+++ b/golangr/array/cmd/root.go
@@ -0,0 +1,51 @@
+/*
+Copyright © 2024 NAME HERE <EMAIL ADDRESS>
+
+*/
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "array",
+	Short: "A brief description of your application",
+	Long: `A longer description that spans multiple lines and likely contains
+examples and usage of using your application. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	// Run: func(cmd *cobra.Command, args []string) { },
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.array.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+
diff --git a/golangr/array/cmd/test.go b/golangr/array/cmd/test.go
new file mode 100644
index 0000000..88aca82
--- /dev/null
+++ b/golangr/array/cmd/test.go
@@ -0,0 +1,51 @@
+/*
+Copyright © 2024 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// testCmd represents the test command
+var testCmd = &cobra.Command{
+	Use:   "test",
+	Short: "A brief description of your command",
+	Long: `A longer description that spans multiple lines and likely contains examples
+and usage of using your command. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("test called")
+		var notafinal int = 0
+
+		numbers := []int{9, 9, 10}
+
+		numbers = append(numbers, 200)
+
+		for i := 0; i < len(numbers); i++ {
+			notafinal = notafinal + numbers[i]
+		}
+
+		fmt.Println("La notas combinadas suman", notafinal)
+
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(testCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// testCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// testCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
diff --git a/golangr/array/go.mod b/golangr/array/go.mod
index 29cf170..2777d5c 100644
--- a/golangr/array/go.mod
+++ b/golangr/array/go.mod
@@ -1,3 +1,9 @@
 module array
 
 go 1.21.6
+
+require (
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/spf13/cobra v1.8.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+)
diff --git a/golangr/array/go.sum b/golangr/array/go.sum
new file mode 100644
index 0000000..d0e8c2c
--- /dev/null
+++ b/golangr/array/go.sum
@@ -0,0 +1,10 @@
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
+github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/golangr/array/main.go b/golangr/array/main.go
index 3f99eff..d9fb039 100644
--- a/golangr/array/main.go
+++ b/golangr/array/main.go
@@ -1,20 +1,16 @@
+/*
+Copyright © 2024 NAME HERE <EMAIL ADDRESS>
+*/
 package main
 
 import (
-	"fmt"
+	"array/cmd"
+	//"fmt"
 )
 
 func main() {
 
-	var notafinal int = 0
-
-	numbers := []int{9, 9, 10}
-
-	for i := 0; i < len(numbers); i++ {
-		notafinal = notafinal + numbers[i]
-	}
-
-	fmt.Println("La notas combinadas suman", notafinal)
+	cmd.Execute()
 	// numbers = append(numbers, 1)
 	// fmt.Println(len(numbers))
 	// fmt.Println(numbers)