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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 areas(self):
 """ Compute the area of each triangle within the triangulation of points. Returns ------- area : array of floats, shape (nt,) area of each triangle in self.simplices where nt is the number of triangles. """

        v1 = self.points[self.simplices[:,1]] - self.points[self.simplices[:,0]]
        v2 = self.points[self.simplices[:,2]] - self.points[self.simplices[:,1]]

        area = 0.5*(v1[:,0]*v2[:,1] - v1[:,1]*v2[:,0])
        return area