Instance variables are typically defined in __init__(), but they can be added to an object anywhere. The only exception is when defining the magic __slots__ class variable to pre-define what the allowed instance variables can be.
class A: pass a = A() a.instVar1 = "hoo-ah" a.instVar2 = "another" Try that in C++ or Java! -- Paul -- http://mail.python.org/mailman/listinfo/python-list