code: def get_element(source, path, separator=r'[/.]'):
      
      return _get_element_by_names(source, re.split(separator, path))
docs: Given a dict and path '/' or '.' separated. Digs into de dict to retrieve
      the specified element.
  
      Args:
          source (dict): set of nested objects in which the data will be searched
          path (string): '/' or '.' string with attribute names