string.maketrans().lower()

[Erik Max Francis]

Hallvard B Furuseth wrote:

> I have a translation table from
>   tr = string.maketrans(...)
> and want a table which produces the same characters lowercased.
> 
> `tr.lower()' works - at least with Python 2.3 - but is that will
> that remain reliable?  Or should I use something like this?
> 
>  string.maketrans("".join(map(chr, xrange(256))),
>                   "".join(map(chr, xrange(256))).translate(tr).lower())

Sure.  The return value of string.maketrans is just itself a string,
after all.

> BTW, is there a simpler way to write "".join(map(chr, xrange(256)))?

You could use a list comprehension if you prefer.

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