Write a function called average$\_$of$\_$three that takes in $3$ numbers, and returns the average of all three of them $($the average of a set of numbers is their sum divided by how many there are$).$

After you've written the function above:In the same file, define another function called average$\_$of$\_$three$\_$special that also takes in three numbers. Based on the average of the three numbers, this function returns a number:

If the average is greater than $100,$ return $1$

Else if the average is greater than or equal $0$ and less than or equal to $100,$ return $0$

Else, return $-1$