In <[EMAIL PROTECTED]>, Stef Mientki wrote: > What's the difference between using __init__ and using nothing, > as the examples below. > > class cpu: > PC = 4
This is a *class attribute*. It's the same for all instances of `cpu`. > class cpu: > def __init__: > self.PC = 4 This is an *instance attribute* which is set in every instance of `cpu`. In [8]: class CPU_1: ...: PC = 4 ...: In [9]: class CPU_2: ...: def __init__(self): ...: self.PC = 4 ...: In [10]: a = CPU_1() In [11]: b = CPU_1() In [12]: a.PC, b.PC Out[12]: (4, 4) In [13]: CPU_1.PC = 3.5 In [14]: a.PC, b.PC Out[14]: (3.5, 3.5) In [15]: c = CPU_2() In [16]: d = CPU_2() In [17]: c.PC, d.PC Out[17]: (4, 4) In [18]: c.PC = 3.5 In [19]: c.PC, d.PC Out[19]: (3.5, 4) Ciao, Marc 'BlackJack' Rintsch -- http://mail.python.org/mailman/listinfo/python-list