[Tutor] Final review

[Scott W Dunning]

On May 5, 2014, at 10:13 PM, meenu ravi <meenuravi89 at gmail.com> wrote:

> Likewise, the index of d, which is the last word in the word "Hello world" is 10.
> 
> So, the maximum index you can access in the word "Hello world" is 10. But when you try to give the command,
> 
> >>> greeting [len(greeting)]
> 
> It is trying to access the character at the position "11", where the string "Hello world" doesn't contain any value in the index "11" and the maximum index is 10. So it throws the following error.

I think this is where I am getting confused.  I guess I don’t understand why/how it’s trying to access the character at the index 11?
>  
> Traceback (most recent call last):
> 
>   File "<stdin>", line 1, in <module>
> 
> IndexError: string index out of range
> 
> So always the maximum index will be length - 1. So if you want to access the last character of the string "Hello world", give the command:
> 
> >>> greeting[len(greeting)-1]
> 
> 'd'
> 
> Hope this helps