[Tutor] Tuple indexing

[Joel Goldstick]

On Wed, Mar 11, 2015 at 10:08 AM, Ian D <duxbuz at hotmail.com> wrote:
> Hi
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> I have seen some examples that seem to use a tuple with a method called index()
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> The original code I was looking at had this sort of thing:
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> SENSORS =  ('sensor1', 'sensor2')
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  SENSORS[0]

>                 pin_index = SENSORS.index("sensor1")
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> so the result is that pin_index the is equal to 0
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> I then read that a Tuple has no attribute index on this site http://www.diveintopython.net/native_data_types/tuples.html
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>>>> t.index("example")
> Traceback (innermost last): File "<interactive input>", line 1, in ? AttributeError: 'tuple' object has no attribute 'index'
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> The example seems to work with 2.7 and 3.3 for me.
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> But I don't find much documentation on indexing Tuples using this method.
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> I am just wondering if there is more specific documentation on using Tuples this way
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https://docs.python.org/2/library/stdtypes.html#sequence-types-str-unicode-list-tuple-bytearray-buffer-xrange

It wasn't around until 2.4 according to what I read somewhere
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> Thanks.
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> I am using Python 2.7 at moment.
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-- 
Joel Goldstick
http://joelgoldstick.com