newbie string question

[Mike C. Fletcher]

pystr[3:]

is equivalent to:

pystr[3:len(pystr)]

and

pystr[:3]

is equivalent to:

pystr[0:3]

That is, when you leave off a slice index, the "end of the sequence in 
that direction" is used.  Thus:

pystr[ : ]

is:

pystr[0:len(pystr)]

HTH,
Mike

Don Low wrote:
...
> So if I understand, pystr[3] refers to the subscript index, but pystr[3:]
> refers to the slice index. pystr[2:5] means slice at slice index 2 and 5,
> not start at subscript index 2 and slice at slice index 5.
> 
> I just want to understand this once and for all.
_______________________________________
   Mike C. Fletcher
   http://members.rogers.com/mcfletch/