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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 get_sorted_pointlist(self):
 """ Make sure that the points and strokes are in order. Returns ------- list A list of all strokes in the recording. Each stroke is represented as a list of dicts {'time': 123, 'x': 45, 'y': 67} """

        pointlist = self.get_pointlist()
        for i in range(len(pointlist)):
            pointlist[i] = sorted(pointlist[i], key=lambda p: p['time'])
        pointlist = sorted(pointlist, key=lambda stroke: stroke[0]['time'])
        return pointlist