Search the difference: Why this function defenition does'nt work?

[Aahz Maruch]

In article <3C24C8DD.4090300 at home.com>, Luke  <LLoeffler at home.com> wrote:
>
>If you use a list index [0] that returns a single element of the type 
>that that element is (which is what you want in this case).  But when 
>you use the colon for slice notation, you are asking python to return a 
>tuple of all the elements up to the zeroth element, which is no 
>elements--an empty tuple.  Then you are trying to add a number to a 
>tuple which is undefined.

s/tuple/list/
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