Attribute error object has no attribute

Question

I just wanted to try some classes then I am stuck in Basics ..My code is below :

class Prob():
    def _init_(self):
        self._count = 0
    def _ProbCal(self):
        print(self._count)
d = Prob()
d._ProbCal()

error is :

Traceback (most recent call last):
  File "ProbCalculation.py", line 8, in <module>
    d._ProbCal()
  File "ProbCalculation.py", line 6, in _ProbCal
    print(self._count)
AttributeError: 'Prob' object has no attribute '_count'

def __init__(self) .. Double underscore

Bhargav Rao
– Bhargav Rao

2016-01-26 15:40:35 +00:00
Commented Jan 26, 2016 at 15:40 — Bhargav Rao
– Bhargav Rao, Commented Jan 26, 2016 at 15:40

gtlambert · Accepted Answer · 2016-01-26 15:40:42Z

1

Your __init__ function requires double underscores at the start and end of the method name:

class Prob():
    def __init__(self):
        self._count = 0

    def _ProbCal(self):
        print(self._count)

d = Prob()
d._ProbCal()

answered Jan 26, 2016 at 15:40

gtlambert

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1 Comment

Harish Over a year ago

thank you very much , I feel so silly for this stupid mistake

ZetaRift · Accepted Answer · 2016-01-26 15:42:24Z

0

_init_ Must have double underscores like so:

class Prob():
    def __init__(self):
        self._count = 0
    def _ProbCal(self):
        print(self._count)
d = Prob()
d._ProbCal()

answered Jan 26, 2016 at 15:42

ZetaRift

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1 Comment

Harish Over a year ago

thank you very much , I feel so silly for this stupid mistake

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