test for list equality
Tim Chase
python.list at tim.thechases.com
Thu Dec 15 13:20:10 EST 2011
On 12/15/11 11:59, Miki Tebeka wrote:
>> My sort issue... as in this doesn't work
>>>>> if x.sort == y.sort:
> You're missing the () to make it a function call.
> Also list.sort() returns none, it mutates the original list.
> You can either
> sorted(x) == sorted(y)
> or
> set(x) == set(y)
Duplicates cause issues in the set() version:
a = [1,2,3,4]
b = a + a
print sorted(a) == sorted(b) # False
print set(a) == set(b) # True
They mean different things, and the OP may want one or the other
depending on how they want to consider duplicates.
-tkc
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