filters = {'ok1': lambda x: x['a'] == 1, 'ok2': lambda x: x['b'] == 2}
d = [{'a': 1, 'b': 3}, {'a': 5, 'b': 2},{'a': 6, 'b': 7}]
c = filter(lambda z: filters['ok1'] and filters['ok2'], d)
e =  filter(lambda z: filters['ok1'] or filters['ok2'], d)
print(d)
print(c)
print(e)