How can I splice a string?

Question

I know I can slice a string in Python by using array notation: str[1:6], but how do I splice it? i.e., replace str[1:6] with anot

Answer 1

What about such try?

>>> str = 'This is something...'
>>> s = 'Theese are'
>>> print str
This is something...
>>> str = str.replace(str[0:7], s)
>>> print str
Theese are something...