code: def write():
      
      click.echo("Fantastic. Let's get started. ")
      title = click.prompt("What's the title?")
  
      # Make sure that title doesn't exist.
      url = slugify(title)
      url = click.prompt("What's the URL?", default=url)
  
      # Make sure that title doesn't exist.
      click.echo("Got it. Creating %s..." % url)
      scaffold_piece(title, url)
docs: Start a new piece