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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 create_introjs_tour(self, name=None):
 """ Creates an IntroJS tour for a website. @Params name - If creating multiple tours at the same time, use this to select the tour you wish to add steps to. """

        if not name:
            name = "default"

        new_tour = (
            """
            // IntroJS Tour
            function startIntro(){
            var intro = introJs();
            intro.setOptions({
            steps: [
            """)

        self._tour_steps[name] = []
        self._tour_steps[name].append(new_tour)