multiple assignments (was: My first Python program)

Ethan Furman ethan at stoneleaf.us
Wed Oct 13 23:53:01 CEST 2010


Ian Kelly wrote:
>  here is an example
> where the order of assignment actually matters:
> 
>  >>> d['a'] = d = {}
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> NameError: name 'd' is not defined
>  >>> d = d['a'] = {}
>  >>> d
> {'a': {...}}
> 
> As you can see, they're assigned left-to-right.

<Flash of inspiration>

Ah!  I was thinking the assignments went in a filter fashion, but now 
what I think is happening is that the first item is bound to the last, 
then the next item is bound to the last, etc, etc.

Is this correct?

~Ethan~





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