(self)
Leading monomial tuple according to the monomial ordering.

        Examples
        --------
        >>> from sympy.polys.rings import ring
        >>> from sympy.polys.domains import ZZ

        >>> _, x, y, z = ring('x, y, z', ZZ)
        >>> p = x**4 + x**3*y + x**2*z**2 + z**7
        >>> p.leading_expv()
        (4, 0, 0)
Leading monomial tuple according to the monomial ordering.
Leading monomial tuple according to the monomial ordering .
def leading_expv(self):
        """Leading monomial tuple according to the monomial ordering.

        Examples
        --------
        >>> from sympy.polys.rings import ring
        >>> from sympy.polys.domains import ZZ

        >>> _, x, y, z = ring('x, y, z', ZZ)
        >>> p = x**4 + x**3*y + x**2*z**2 + z**7
        >>> p.leading_expv()
        (4, 0, 0)

        """
        if self:
            return self.ring.leading_expv(self)
        else:
            return None
def leading_expv ( self ) : if self : return self . ring . leading_expv ( self ) else : return None