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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 make_patch(self):
        '''
        Retuns a matplotlib PathPatch representing the current region.
        '''
        path = [self.arcs[0].start_point()]
        for a in self.arcs:
            if a.direction:
                vertices = Path.arc(a.from_angle, a.to_angle).vertices
            else:
                vertices = Path.arc(a.to_angle, a.from_angle).vertices
                vertices = vertices[np.arange(len(vertices) - 1, -1, -1)]
            vertices = vertices * a.radius + a.center
            path = path + list(vertices[1:])
        codes = [1] + [4] * (len(path) - 1)  # NB: We could also add a CLOSEPOLY code (and a random vertex) to the end
        return PathPatch(Path(path, codes))