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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def help_text(self, name, text, text_kind='plain', trim_pfx=0):
 """ Provide help text for the user. This method will convert the text as necessary with docutils and display it in the WBrowser plugin, if available. If the plugin is not available and the text is type 'rst' then the text will be displayed in a plain text widget. Parameters name : str Category of help to show. text : str The text to show. Should be plain, HTML or RST text text_kind : str (optional) One of 'plain', 'html', 'rst'. Default is 'plain'. trim_pfx : int (optional) Number of spaces to trim off the beginning of each line of text. """


        if trim_pfx > 0:
            # caller wants to trim some space off the front
            # of each line
            text = toolbox.trim_prefix(text, trim_pfx)

        if text_kind == 'rst':
            # try to convert RST to HTML using docutils
            try:
                overrides = {'input_encoding': 'ascii',
                             'output_encoding': 'utf-8'}
                text_html = publish_string(text, writer_name='html',
                                           settings_overrides=overrides)
                # docutils produces 'bytes' output, but webkit needs
                # a utf-8 string
                text = text_html.decode('utf-8')
                text_kind = 'html'

            except Exception as e:
                self.logger.error("Error converting help text to HTML: %s" % (
                    str(e)))
                # revert to showing RST as plain text

        else:
            raise ValueError(
                "I don't know how to display text of kind '%s'" % (text_kind))

        if text_kind == 'html':
            self.help(text=text, text_kind='html')

        else:
            self.show_help_text(name, text)