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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 add_watch_point(self, string, rating, importance=5):
 """ For a log session you can add as many watch points which are used in the aggregation and extraction of key things that happen. Each watch point has a rating (up to you and can range from success to total failure and an importance for finer control of display """

        d = {}
        d['string'] = string
        d['rating'] = rating
        d['importance'] = importance
        self.watch_points.append(d)