[Tutor] (no subject)

Ewald Ertl ewald.ertl at hartter.com
Thu Apr 14 09:21:04 CEST 2005


Hi Jim, 

on Thu, 14 Apr 2005 01:09:14 -0500  "Jim and Laura Ahl" <jcahl at psci.net> wrote :
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Jim and Laura Ahl > How come when I ask it to print i[2:4] from an inputted string it gives me the letters between two and four
Jim and Laura Ahl > 
Jim and Laura Ahl > But when I ask it to print i[-1:-4] it does not print anything.

Here you extract a slice starting with the last entry in i and ending much earlier, 
so you are asking for a slice with a negative length. 

Perhaps what you like is print i[-4:-1] ? 

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HTH Ewald 



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