{* ../../docs_src/path_params/tutorial004.py hl[6] *}

/// tip | Consejo

Podrías necesitar que el parámetro contenga `/home/johndoe/myfile.txt`, con una barra inclinada (`/`) inicial.

En ese caso, la URL sería: `/files//home/johndoe/myfile.txt`, con una doble barra inclinada (`//`) entre `files` y `home`.

///

## Resumen

Con **FastAPI**, al usar declaraciones de tipo estándar de Python, cortas e intuitivas, obtienes:

  `What IS a Caucus-race?' said Alice; not that she wanted much
to know, but the Dodo had paused as if it thought that SOMEBODY
ought to speak, and no one else seemed inclined to say anything.

  `Why,' said the Dodo, `the best way to explain it is to do it.'
(And, as you might like to try the thing yourself, some winter
day, I will tell you how the Dodo managed it.)