docs: def get_widget_title(tab_label_text):
      """Transform Notebook tab label to title by replacing underscores with white spaces and capitalizing the first
      letter of each word.
  
      :param tab_label_text: The string of the tab label to be transformed
      :return: The transformed title as a string
      """
      title = ''
      title_list = tab_label_text.split('_')
      for word in title_list:
          title += word.upper() + ' '
      title.strip()
      return title