What happens when you use the built-in function all() on a

The all() function returns a Boolean value that answers the question “Are all the items in this list the same?
The all() function returns True if all the items in the list can be converted to strings. Otherwise, it returns False.
The all() function will return all the values in the list.
The all() function returns True if all items in the list evaluate to True. Otherwise, it returns False.

What happens when you use the built-in function all() on a list?