[Tutor] Doubt!

[emile]

On 10/23/2012 04:14 PM, Nitin Ainani wrote:
> Dear Sir/Madam,
>
> I am  new to python I have a question. It is as follows:
>
> Suppose *s* is a variable and *s* stores empty string
>
> s=""
> Now if we write following statement
>
>
> print(s[0])      # it gives error
>
>
> print(s[0:])    # it does not give error
>
> why?

See http://docs.python.org/tutorial/introduction.html and in particular 
section 3.1.2 on Strings where you'll find

"Degenerate slice indices are handled gracefully: an index that is too 
large is replaced by the string size, an upper bound smaller than the 
lower bound returns an empty string."

HTH,

Emile