Why is the interpreter is returning a 'reference'?

[emile]

On 02/17/2014 09:00 AM, Nir wrote:
>>>> k = ['hi','boss']
>>>>
>>>> k
> ['hi', 'boss']
>>>> k= [s.upper for s in k]

s.upper is a reference to the method upper of s -- to execute the method 
add parens -- s.upper()

Emile


>>>> k
> [<built-in method upper of str object at 0x00000000021B2AF8>, <built-in method upper of str object at 0x0000000002283F58>]
>
> Why doesn't the python interpreter just return
> ['HI, 'BOSS'] ?
>
> This isn't a big deal, but I am just curious as to why it does this.
>