Update python name in index.md (#28360)

* Update index.md

Programming languages has no formal translation to spanish, they are named with their original names.

* fix: changed node to js

guide/spanish/nodejs/index.md

@@ -32,7 +32,7 @@ import time
 
 **Node.js**
 
-```node
+```js
 function my_io_task() { 
     setTimeout(function() { 
       console.log('done');