code: def show_tutorial(self):
          
          self.switch_to_plugin()
          tutorial_path = get_module_source_path('spyder.plugins.help.utils')
          tutorial = osp.join(tutorial_path, 'tutorial.rst')
          text = open(tutorial).read()
          self.show_rich_text(text, collapse=True)
docs: Show the Spyder tutorial in the Help plugin, opening it if needed