This is Scheme programmed in Racket. I only need #2. Thank you!

Part 2 file na Making Procedures - Define the following five scheme procedures and store them in a single scheme me "yourlastname1.rkt". Defining helper procedures may be useful in solving some of these problems. sure to include your name as comments at the beginning of the file. (15x4-60 points) double7 - a function which expects as argument a list of integers, and return a list with all 7s doubled. You may assume there is no sublist. 1. (double7 (1 2717 72 7 3) (1 2 14 17 72 143) 2. doubleAl7 - a function which expects as argument a list of integers, and return a list with all 7s doubled, followed by the symbol bond, including those in sub-list. (doubleAll7 (75 (3 7 (12 77 7)))(7 bond 5 (3 7 bond (12 77 7 bond))