Max function question: How do I return the index of the maximum value of a list?

Robert Kern robert.kern at
Mon Jun 5 03:52:12 CEST 2006

Steven Bethard wrote:
> Can you do something like::
>      max_val, max_index = max((x, i) for i, x in enumerate(my_list))
> ?  If any two "x" values are equal, this will return the one with the 
> lower index.  Don't know if that matters to you.

Wouldn't it return the one with the highest index?

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth."
  -- Umberto Eco

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