#lang racket (require berkeley) (provide (all-defined-out)) ; Exercise 1 - Define describe-time (define (describe-time secs) ; your code here (error "Not yet implemented") ) ; Exercise 2 - Define remove-once (define (remove-once wd sent) ; your code here (error "Not yet implemented") ) ; Exercise 3 - Define differences (define (differences nums) ;your code here (error "Not yet implemented") ) ; Exercise 4 - Define location (define (location small big) ; your code here (error "Not yet implemented") ) ; Exercise 5 - Define initials (define (initials sent) ; your code here (error "Not yet implemented") ) ; Exercise 6 - Define copies (define (copies num wd) ; your code here (error "Not yet implemented") ) ; Exercise 7 - Define gpa (define (gpa grades) ; your code here (error "Not yet implemented") ) ; Exercise 8 - Define repeat-words (define (repeat-words sent) ; your code here (error "Not yet implemented") ) ; Exercise 9 - Define same-shape? (define (same-shape? sent1 sent2) ; your code here (error "Not yet implemented") )