Why needed decorators for changing a function?

Question

https://code.sololearn.com/cuFAk9YHrTEY/?ref=app
Wrap function can get enother function as parameter and gives The same result

Answer 1

Here is an example of what a decorator may be useful for:
https://code.sololearn.com/cD09ijlIS6Ev/?ref=app

Answer 2

In this example it is not much difference.
But think if your function print_text need parameters, the wrap function doesn't know that.