Conway's game of Life, just because.
Eli the Bearded
* at eli.users.panix.com
Tue May 7 14:29:52 EDT 2019
In comp.lang.python, Paul Rubin <no.email at nospam.invalid> wrote:
Thanks for posting this. I'm learning python and am very familiar with
this "game".
> #!/usr/bin/python3
> from itertools import chain
>
> def adjacents(cell): # generate coordinates of cell neighbors
> x, y = cell # a cell is just an x,y coordinate pair
> return ((x+i,y+j) for i in [-1,0,1] for j in [-1,0,1] if i or j)
This line confuses me. How do you expect "if i or j" to work there?
>>> for pair in adjacents((0,0)):
... print(pair)
...
(-1, -1)
(-1, 0)
(-1, 1)
(0, -1)
(0, 1)
(1, -1)
(1, 0)
(1, 1)
>>> def neighboring(cell):
... x, y = cell
... return ((x+i,y+j) for i in [-1,0,1] for j in [-1,0,1])
...
>>>
>>> for pair in neighboring((0,0)):
... print(pair)
...
(-1, -1)
(-1, 0)
(-1, 1)
(0, -1)
(0, 0)
(0, 1)
(1, -1)
(1, 0)
(1, 1)
>>>
Elijah
------
is the torus game board unintentional?
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