On 04/05/2014 11:53 PM, John Ladasky wrote:
I find this programming pattern to be useful... but can it cause problems?
No.
What kind of problems are you considering? It won't break Python. It's
perfectly legal code.
The tuple c is still immutable, consisting of two specific objects, and
(as always) without regard to the specifics or contents of those two
objects.
Gary Herron
Python 3.3.2+ (default, Feb 28 2014, 00:52:16)
[GCC 4.8.1] on linux
Type "help", "copyright", "credits" or "license" for more information.
a = [1,2,3]
b = [4,5,6]
c = (a,b)
c
([1, 2, 3], [4, 5, 6])
c[0][0] = 0
c
([0, 2, 3], [4, 5, 6])
Comments appreciated.
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