Question: please help me complete this function using BSL DrRacket thank you (@htdf sink) (@signature ListOfBlob -> ListOfBlob) ;; produce a list of blobs that sinks

please help me complete this function using BSL DrRacket thank you

(@htdf sink) (@signature ListOfBlob -> ListOfBlob) ;; produce a list of blobs that sinks the given solid blobs by one

(check-expect (sink empty) empty) (check-expect (sink (cons "bubble" (cons "solid" (cons "bubble" empty)))) (cons "bubble" (cons "bubble" (cons "solid" empty)))) (check-expect (sink (cons "solid" (cons "solid" (cons "bubble" empty)))) (cons "bubble" (cons "solid" (cons "solid" empty)))) (check-expect (sink (cons "solid" (cons "bubble" (cons "bubble" empty)))) (cons "bubble" (cons "solid" (cons "bubble" empty))))

(check-expect (sink (cons "solid" (cons "bubble" (cons "solid" empty)))) (cons "bubble" (cons "solid" (cons "solid" empty)))) (check-expect (sink (cons "bubble" (cons "solid" (cons "solid" empty)))) cons "bubble" (cons "solid" (cons "solid"))) (check-expect (sink (cons "solid" (cons "solid" (cons "bubble" (cons "bubble" empty))))) (cons "bubble" (cons "bubble" (cons "solid" (cons "solid")))))

;(define (sink lob) lob) ;stub

(@template-origin ListOfBlob)

(@template (define (render-blobs lob) (cond [(empty? lob) (...)] [else (... (fn-for-blob (first lob)) (render-blobs (rest lob)))])))

(define (sink lob) (cond [(empty? lob) (...)] [else (... (fn-for-blob (first lob)) (sink (rest lob)))]))

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