(f, u, K, order=None)
List all non-zero terms from ``f`` in the given order ``order``.

    Examples
    ========

    >>> from sympy.polys.domains import ZZ
    >>> from sympy.polys.densebasic import dmp_list_terms

    >>> f = ZZ.map([[1, 1], [2, 3]])

    >>> dmp_list_terms(f, 1, ZZ)
    [((1, 1), 1), ((1, 0), 1), ((0, 1), 2), ((0, 0), 3)]
    >>> dmp_list_terms(f, 1, ZZ, order='grevlex')
    [((1, 1), 1), ((1, 0), 1), ((0, 1), 2), ((0, 0), 3)]
List all non-zero terms from ``f`` in the given order ``order``.
List all non - zero terms from f in the given order order .
def dmp_list_terms(f, u, K, order=None):
    """
    List all non-zero terms from ``f`` in the given order ``order``.

    Examples
    ========

    >>> from sympy.polys.domains import ZZ
    >>> from sympy.polys.densebasic import dmp_list_terms

    >>> f = ZZ.map([[1, 1], [2, 3]])

    >>> dmp_list_terms(f, 1, ZZ)
    [((1, 1), 1), ((1, 0), 1), ((0, 1), 2), ((0, 0), 3)]
    >>> dmp_list_terms(f, 1, ZZ, order='grevlex')
    [((1, 1), 1), ((1, 0), 1), ((0, 1), 2), ((0, 0), 3)]

    """
    def sort(terms, O):
        return sorted(terms, key=lambda term: O(term[0]), reverse=True)

    terms = _rec_list_terms(f, u, ())

    if not terms:
        return [((0,)*(u + 1), K.zero)]

    if order is None:
        return terms
    else:
        return sort(terms, monomial_key(order))
def dmp_list_terms ( f , u , K , order = None ) : def sort ( terms , O ) : return sorted ( terms , key = lambda term : O ( term [ 0 ] ) , reverse = True ) terms = _rec_list_terms ( f , u , ( ) ) if not terms : return [ ( ( 0 , ) * ( u + 1 ) , K . zero ) ] if order is None : return terms else : return sort ( terms , monomial_key ( order ) )