[pyar] Python variables can have types as values

Apokalyptica Painkiller apokalyptica79 en gmail.com
Vie Abr 25 20:07:26 ART 2014


Me gustó tu explicación! Muchas gracias


2014-04-25 20:05 GMT-03:00 Claudio Omar Melendrez Baeza <
claudio.melendrez en gmail.com>:

> En realidad depende de como lo veas.
> Si sos de pensar que las "variables" en python no existen en la forma de
> *contenedores* sino que son solo aliases o etiquetas que podes poner y
> sacar a gusto, sorprende poco esa posibilidad. O sea que "x = 3" no
> significa "x vale 3", sino mas bien "x es el nombre de 3".
> Asi es mas facil ver otra forma de hacer cosas, como usar dicts para
> mapear funcionalidad (en lugar de *ifear* a lo loco), o las miles de
> cosas copadas (e incomprensibles) que se pueden hacer con getattr...
> Para mi en Python *no hay variables*, *hay sinonimos*.
>
>
> On 25 April 2014 18:48, Apokalyptica Painkiller <apokalyptica79 en gmail.com>wrote:
>
>> I came across this article by Peter Norvig<https://www.google.com/search?q=Peter+Norvig>
>> :
>>
>> Design Patterns in Dynamic Languages <http://norvig.com/design-patterns/>
>>
>> (*Peter Norvig* is *Director of Search* at *Google* and a highly
>> accomplished computer scientist.)
>>
>> Haven't read the article fully yet, but scanned it a bit, and one line in
>> particular interested me:
>>
>> "*A variable can have a type as a value*"
>>
>> That line is on the page with the heading: "*First-Class Dynamic Types*"
>>
>> So I thought of checking this in Python - that section of the article
>> seems to be about Lisp <https://www.google.com/search?q=Lisp> and Dylan
>> (the programming language)<http://en.wikipedia.org/wiki/Dylan_(programming_language)>
>> ).
>>
>> Python variables can have types<http://jugad2.blogspot.com.ar/2014/04/python-variables-can-have-types-as.html>
>>
>> --
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>>
>>
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>
>
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-- 
I live each day
Like it's my last
I live for rock and roll
I never look back

I'm a rocker
Do as I feel as I say
I'm a rocker
And no one can take that away
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