Racket Programming Language Question ( Functional Programming) Give example in racket language and explain your answer. Thanks

(b) (10 points) Manually graded. Give an example of a situation in which lazy evaluation outper- forms eager evaluation. Use a function that manipulates promise lists to showcase your argument, e.g., functions (p:append x y) or (bst->p:list1. Your answer must be written as a comment in the solution file that you submit. (b) (10 points) Manually graded. Give an example of a situation in which lazy evaluation outper- forms eager evaluation. Use a function that manipulates promise lists to showcase your argument, e.g., functions (p:append x y) or (bst->p:list1. Your answer must be written as a comment in the solution file that you submit