For Programming Language Paradigms]   Write code in DrRacket (file should be .rkt). Use the #lang scheme directive at the beginning of your Racket source file.   Include screenshots of all of the source code as well as screenshots of the output to prove that it works properly.   (last-element ‘(a (b c) (()) (d))) should return ’((d)) so make sure that example is visible in the output screenshot

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