On Fri, 01 Mar 2013 19:35:14 +0100, leonardo selmi 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!
as far as I can see is_init_ should be __init__ (double underscore)
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