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| Date | Fri, 1 Mar 2013 19:41:24 +0000 |
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| Subject | Re: need for help |
| From | Rob Day <robert.day@merton.oxon.org> |
| To | leonardo selmi <l.selmi@icloud.com> |
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It looks like you're using single underscores, not double: the methods
should be __init__ and __str__.
On 1 March 2013 18:35, leonardo selmi <l.selmi@icloud.com> wrote:
> hi guys
>
> i typed the following program:
>
> class ball:
> def _init_(self, color, size, direction):
> self.color = color
> self.size = size
> self.direction = direction
>
> def _str_(self):
> msg = 'hi, i am a ' + self.size + ' ' + self.color + 'ball!'
> return msg
>
> myball = ball('red', 'small', 'down')
> print my ball
>
> BUT I GOT THIS ERROR:
>
> Traceback (most recent call last):
> File "/Users/leonardo/Documents/ball2.py", line 11, in <module>
> myball = ball('red', 'small', 'down')
> TypeError: this constructor takes no arguments
>
> can you kindly tell me what is wrong?
> thanks a lot!
> --
> http://mail.python.org/mailman/listinfo/python-list
--
Robert K. Day
robert.day@merton.oxon.org
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Re: need for help Rob Day <robert.day@merton.oxon.org> - 2013-03-01 19:41 +0000
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