Testing code extraction.

```ts

// This function returns the length of a string

function stringLen(value: string): number {

return value.length;

}

```

Some more code extraction, this time in Go:

```go

package main

import "fmt"

func main() {

fmt.Println("Hello, World!")

}

```

And here with no language defined:

```

$ var_a=100

$ echo $var_a

```