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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 approx_equals(self, other, atol):
 """Test if this grid is equal to another grid. Parameters other : Object to be tested atol : float Allow deviations up to this number in absolute value per vector entry. Returns ------- equals : bool ``True`` if ``other`` is a `RectGrid` instance with all coordinate vectors equal (up to the given tolerance), to the ones of this grid, ``False`` otherwise. Examples -------- False True """

        if other is self:
            return True

        return (type(other) is type(self) and
                self.ndim == other.ndim and
                self.shape == other.shape and
                all(np.allclose(vec_s, vec_o, atol=atol, rtol=0.0)
                    for (vec_s, vec_o) in zip(self.coord_vectors,
                                              other.coord_vectors)))