I have been searching for the answer to this as it will determine how I use
classes. Here are two bits of code.
class foo1:
def __init__(self, i):
self.r = i
self.j = 5
>>h = foo1(1)
>>h.r
1
>>h.j
5
Now take this example
class foo2:
def __init__(self):
self.j = 5
>>h = foo2()
>>h.j
Traceback (most recent call last):
File "<stdin>", line 1, in ?
AttributeError: foo2 instance has no attribute 'j'
I can't figure out why it is working this way. I figure I must be thinking
about this wrong. I was thinking that I could bind attributes to the class
from within methods using the self prefix. According to this example I can
only when passing other info into the init. Is there a rule that I am just
not aware off? Am I totally off base (I am not real experienced)? What is
the self prefix for then if not to bind up the tree?
Thanks,
LeRoy
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