"S����������������������������������������������" schrieb: > I've found some class on the Net which takes basically this form : > > ###### > class Foo: > def __init__(self): > self.tasks = [] > ... > > def method1(self): > tasks = [] > while True: > ... > append/pop elements into/from tasks > ... > if condition : break > > self.tasks[:] = tasks > return > ###### > > What I do not fully understand is the line "self.tasks[:] = tasks". Why does > the guy who coded this did not write it as "self.tasks = tasks"? What is the > use of the "[:]" trick ?
It changes the list in-place. If it has been given to other objects, it might require that. Diez -- http://mail.python.org/mailman/listinfo/python-list
