docs: def exec(self, globals=None, locals=None):
          """
          Execute simple code blocks.
  
          Do not attempt this on modules or other blocks where you have
          imports as they won't work.
          Instead write the code to a file and use runpy.run_path()
          """
          if locals is None:
              locals = {}
          builtins.exec(self.to_code(), globals, locals)
          return locals