plip | Ligand Interaction Profiler - Analyze and visualize non | Genomics library

>>> class Fola(object):
...   def __init__(self,a,b):
...     self._a = a
...     self._b = b
...   @property
...   def a(self):
...     return self._a
... 
>>> m = Fola(1,2)
>>> m.a
1
>>> m._b
2
>>> m.a
1
>>> m._a
1
>>> m.a = 10
Traceback (most recent call last):
  File "", line 1, in 
AttributeError: can't set attribute

$stmt = $db->query("SELECT c.id, c.name FROM (SELECT @r AS _id, (SELECT @r := parent FROM categories WHERE id = _id) AS parent, @l := @l + 1 AS lvl FROM (SELECT @r := 74, @l := 0) vars, categories m WHERE @r <> 0) m JOIN categories c ON m._id = c.id ORDER BY m.lvl DESC;");           
                    while($bread = $stmt->fetch()){                         
                        $plip = $bread['name'];
                        $each = "$plip-";
                        echo $each;
                        echo "";                                   

                    }