> > def birth(self, name):
> > country = self.countryOfOrigin['name']
> > return '${name} was born in ${country}'.sub()
>
> now explain why the above is a vast improvement over:
>
> def birth(self, name):
> country = self.countryOfOrigin['name']
> return join(name, ' was born in ', country)
One word: I18n.
> (for extra bonus, explain how sub() can be made to
> execute substantially faster than a join() function)
That's not a requirement. It can obviously be made as fast as the %
operator.
--Guido van Rossum (home page: http://www.python.org/~guido/)
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