Can print() be reloaded for a user defined class?

r rt8396 at gmail.com
Sun Sep 20 04:34:19 CEST 2009


On Sep 19, 9:28 pm, Peng Yu <pengyu... at gmail.com> wrote:
> Hi,
>
> I have the following code. The last line does not print the members
> ("x" and "y") of 'my_bin'. I am wondering if there is a way to reload
> the print function for bin, so that the last line print the members of
> 'my_bin'.
>
> Regards,
> Peng
>
> class bin:
>   def __init__(self, x, y) :
>     self.x = x
>     self.y = y
>
> if __name__ == '__main__':
>
>   my_bin = bin(1, 2)
>   print my_bin

use the __str__ and or __repr__ methods

> class Bin:
>   def __init__(self, x, y) :
>     self.x = x
>     self.y = y
    def __str__(self):
        return 'Bin(%s, %s)' %(self.x, self.y)
    __repr__ = __str__

Please use an initial capital letter when defining a class, this is
the accepted way in many languages!!!



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