R programming. Please use the same syntax as in the picture. Picture clearly shows the syntax to write code and of calling it$.$ Please complete exercise in SAME SYNTAX.

Project's description

If you used Python programming language, you would unquestionably encounter decorators. This project is about decorators in the $R$ programming

language. More precisely, you are to write two example decorators: one printing the execution time of a call and the other providing dynamic scoping

for a call. The general syntax of the decorators should look as shown in the following code snippet.

decorator $\%$decorator$\_$name$\%$