Initilizing MD lists w/ objects.

[Gerhard Häring]

Philip Swartzleonard wrote in comp.lang.python:
> I'm looking for a reasonable way to initilize a multidimensional list with 
> a bunch of blank objects of some type (already been burned by using [obj
> ()] * 400 or similar =). This is the best i've come up with, but it seems 
> icky:
> 
>         self.data = [None]*40
> 
>         for x in range(40):
>             self.data[x] = []
>             for y in range(40):
>                 self.data[x].append(Vis_cell())

What about list comprehensions, like:

self.data = [[Vis_cell() for column in range(40)] for row in range(40)]

Gerhard
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reduce(lambda x,y:x+y,map(lambda x:chr(ord(x)^42),tuple('zS^BED\nX_FOY\x0b')))