mapping None values to ''

[imho]

Roberto Bonvallet ha scritto:
> imho <certo at comeno.it>:
>> map(lambda x:"" , [i for i in [a,b,c] if i in ("None",None) ])
> 
> You don't need map when using list comprehensions:
> 
>    ["" for i in [a, b, c] if i in ("None", None)]
> 

I know that... I tried to match the idiom used by the o.p. :-)