[Tutor] Deleted dictionary length not reporting

[eryksun]

> On 16 July 2013 20:42, Steven D'Aprano <steve at pearwood.info> wrote:
>
>> Assuming that some_list is already a list, what's the difference between
>> these two lines, and under what circumstances why would you want to use the
>> second one?
>>
>> some_list = []
>> some_list[:] = []

3.3 adds clear() to list and bytearray (as per dict/set), so now there
are 3 simple ways to clear a list:

    del some_list[:]   # DELETE_SUBSCR
    some_list[:] = []  # STORE_SUBSCR
    some_list.clear()  # CALL_FUNCTION