docs: def download(link, out):
      """
      Downloading data from websites, such as previously acquired physiological signals, is an extremely relevant task,
      taking into consideration that, without data, processing cannot take place.
  
      With the current function a file can be easily downloaded through the "link" input.
  
      ----------
      Parameters
      ----------
      link : str
          String with the url that contains the file to be downloaded.
  
      out : str
          Name of the downloaded file (with extension). A destination path can also be included.
  
      """
  
      # [Source: https://stackoverflow.com/questions/7243750/download-file-from-web-in-python-3]
      r = requests.get(link)
      with open(out, 'wb') as outfile:
          outfile.write(r.content)