Why does substring slicing with index out of range work?

Question

Why doesn\'t \'example\'[999:9999] result in error? Since \'example\'[9] does, what is the motivation behind it?

From this behavior I can a

Answer 1

Slicing is not bounds-checked by the built-in types. And although both of your examples appear to have the same result, they work differently; try them with a list instead.