momobear a écrit :
> hi, I am puzzled about how to determine whether an object is
> initilized in one class, anyone could give me any instructions?
> here is an example code:
>
> class coffee:
> def boil(self):
> self.temp = 80
>
> a = coffer()
> if a.temp > 60:
> print "it's boiled"
>
> in C++ language we must initilized a variable first, so there is no
> such problem, but in python if we don't invoke a.boil(), we will not
> get self.temp to be initilized,
Obviously. This is why it's good form to set all public attributes in
the initializer method:
class Coffee(object):
def __init__(self):
self.temp = 20
def boil(self):
self.temp = 80
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