update uncomment usage

starter_templates/go/code/app/main.go

@@ -2,11 +2,14 @@ package main
 
 import (
 	"fmt"
-	// Uncomment this block to pass the first stage!
-	// "os"
-	// "os/exec"
+	"os"
+	"os/exec"
 )
 
+// Ensures gofmt doesn't remove the imports above (feel free to remove this!)
+var _ = os.Args
+var _ = exec.Command
+
 // Usage: your_docker.sh run <image> <command> <arg1> <arg2> ...
 func main() {
 	// You can use print statements as follows for debugging, they'll be visible when running tests.