Reading List Comprehension?

Stephen Hansen stephen at cerebralmaelstrom.com
Thu Sep 7 06:53:44 CEST 2000


Whee. Python 2.0. I'm estatic, so go to check out what's changed...

Augmented assignments.. Ugly, more operators, but obviousely needed for
certain circumstances.. And y'know, I do admit to getting a tiny bit tired
of 'a = a + 1' sometimes... I just hope we don't get increment/decrement
operators next. :)

The new print syntax is IMHO a useful, intelligent extention of the print
syntax; and it's obviousely pronounced 'print to file, text'.. Not perfect 
english, but good enough :)

But..list comprehensions.. I can't quite fathom.

--> x for subseq in seq for x in subseq
 
Eh?!?! That looks so..wrong. No whitespace, parens, no nothing, with
all those keywords mixed in there. I can't pronounce it, or make any
sense outat it. Maybe that's because the examples insisted upon using
exponential syntax, instead of something simple like addition. :)

I don't know -- is there a more in depth, vastly basic, tutorial to
what the heck these things are somewhere? It looks..so..well,
not-at-all-like-Python.

--S


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