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The" #"y record metadata" ) 0 0 4 29 1 #"\n" 0 0 4 3 85 ( #";; about the language level of this file in a form that our tools ca" #"n easily process." ) 0 0 4 29 1 #"\n" 0 0 4 3 178 ( #"#reader(lib \"htdp-beginner-reader.ss\" \"lang\")((modname oct12-par" #"t2) (read-case-sensitive #t) (teachpacks ()) (htdp-settings #(#t con" #"structor repeating-decimal #f #t none #f ())))" ) 0 0 4 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 15 3 7 #"require" 0 0 24 3 1 #" " 0 0 14 3 11 #"2htdp/image" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 13 #"; Data def'n:" 0 0 24 29 1 #"\n" 0 0 17 3 14 #"; A natnum is:" 0 0 24 29 1 #"\n" 0 0 17 3 12 #"; - 0, OR" 0 0 24 29 1 #"\n" 0 0 17 3 22 #"; - (add1 [natnum])" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 19 #"; examples of data:" 0 0 24 29 1 #"\n" 0 0 21 3 1 #"0" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 4 #"add1" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 17 #") " 0 0 17 3 3 #"; 1" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 4 #"add1" 0 0 24 3 2 #" (" 0 0 14 3 4 #"add1" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 11 #")) " 0 0 17 3 3 #"; 2" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 4 #"add1" 0 0 24 3 2 #" (" 0 0 14 3 4 #"add1" 0 0 24 3 2 #" (" 0 0 14 3 4 #"add1" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 5 #"))) " 0 0 17 3 3 #"; 3" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 46 #"; template for any function handling a natnum:" 0 0 24 29 1 #"\n" 0 0 17 3 33 #"; func-for-natnum : natnum -> ???" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 15 3 6 #"define" 0 0 24 3 2 #" (" 0 0 14 3 15 #"func-for-natnum" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 3 #" (" 0 0 15 3 4 #"cond" 0 0 24 3 3 #" [(" 0 0 14 3 5 #"zero?" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 2 #") " 0 0 14 3 3 #"..." 0 0 24 3 1 #"]" 0 0 24 29 1 #"\n" 0 0 24 3 10 #" [(" 0 0 14 3 9 #"positive?" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 3 #") (" 0 0 14 3 3 #"..." 0 0 24 3 2 #" (" 0 0 14 3 15 #"func-for-natnum" 0 0 24 3 2 #" (" 0 0 14 3 4 #"sub1" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 3 #")) " 0 0 14 3 3 #"..." 0 0 24 3 4 #")]))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 25 #"; lol* : natnum -> string" 0 0 24 29 1 #"\n" 0 0 17 3 26 #"; return n copies of \"lol\"" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 15 3 6 #"define" 0 0 24 3 2 #" (" 0 0 14 3 4 #"lol*" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 3 #" (" 0 0 15 3 4 #"cond" 0 0 24 3 3 #" [(" 0 0 14 3 5 #"zero?" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 6 #") " 0 0 19 3 2 #"\"\"" 0 0 24 3 1 #"]" 0 0 24 29 1 #"\n" 0 0 24 3 10 #" [(" 0 0 14 3 9 #"positive?" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 3 #") (" 0 0 14 3 13 #"string-append" 0 0 24 3 1 #" " 0 0 19 3 5 #"\"lol\"" 0 0 24 3 2 #" (" 0 0 14 3 4 #"lol*" 0 0 24 3 2 #" (" 0 0 14 3 4 #"sub1" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 6 #")))]))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 4 #"lol*" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 2 #") " 0 0 19 3 2 #"\"\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 4 #"lol*" 0 0 24 3 1 #" " 0 0 21 3 1 #"1" 0 0 24 3 2 #") " 0 0 19 3 5 #"\"lol\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 4 #"lol*" 0 0 24 3 1 #" " 0 0 21 3 1 #"2" 0 0 24 3 2 #") " 0 0 19 3 8 #"\"lollol\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 4 #"lol*" 0 0 24 3 1 #" " 0 0 21 3 1 #"3" 0 0 24 3 2 #") " 0 0 19 3 11 #"\"lollollol\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 4 #"lol*" 0 0 24 3 1 #" " 0 0 21 3 1 #"7" 0 0 24 3 2 #") " 0 0 19 3 23 #"\"lollollollollollollol\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 28 #"; bullseye : natnum -> image" 0 0 24 29 1 #"\n" 0 0 17 3 55 #"; Return the image of a \"bullseye target\" with n rings." 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 15 3 6 #"define" 0 0 24 3 2 #" (" 0 0 14 3 8 #"bullseye" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 3 #" (" 0 0 15 3 4 #"cond" 0 0 24 3 3 #" [(" 0 0 14 3 5 #"zero?" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 4 #") (" 0 0 14 3 6 #"circle" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"solid" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 3 #"red" 0 0 24 3 2 #")]" 0 0 24 29 1 #"\n" 0 0 24 3 10 #" [(" 0 0 14 3 9 #"positive?" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 3 #") (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 8 #"bullseye" 0 0 24 3 2 #" (" 0 0 14 3 4 #"sub1" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 2 #"))" 0 0 24 29 1 #"\n" 0 0 24 3 33 #" (" 0 0 14 3 6 #"circle" 0 0 24 3 2 #" (" 0 0 14 3 1 #"*" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 1 #" " 0 0 21 3 2 #"10" 0 0 24 3 2 #") " 0 0 21 3 1 #"'" 0 0 14 3 5 #"solid" 0 0 24 3 2 #" (" 0 0 14 3 2 #"if" 0 0 24 3 2 #" (" 0 0 14 3 5 #"even?" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 2 #") " 0 0 21 3 1 #"'" 0 0 14 3 6 #"orange" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 4 #"blue" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 40 #" " 0 0 17 3 2 #"#;" 0 0 24 3 1 #"(" 0 0 14 3 8 #"list-ref" 0 0 24 3 1 #" " 0 0 14 3 10 #"ALL-COLORS" 0 0 24 29 1 #"\n" 0 0 24 3 51 #" (" 0 0 14 3 9 #"remainder" 0 0 24 3 1 #" " 0 0 14 3 1 #"n" 0 0 24 3 2 #" (" 0 0 14 3 6 #"length" 0 0 24 3 1 #" " 0 0 14 3 10 #"ALL-COLORS" 0 0 24 3 8 #")))))]))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 65 #"; NOTE: you can't use `list-ref` until you can write it yourself!" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 15 3 6 #"define" 0 0 24 3 1 #" " 0 0 14 3 10 #"ALL-COLORS" 0 0 24 3 2 #" (" 0 0 14 3 4 #"list" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 6 #"orange" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 4 #"blue" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 4 #"pink" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"black" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 3 #"red" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 6 #"salmon" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"lemon" 0 0 24 3 2 #"))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 8 #"bullseye" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 3 #") (" 0 0 14 3 6 #"circle" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"solid" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 3 #"red" 0 0 24 3 2 #"))" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 8 #"bullseye" 0 0 24 3 1 #" " 0 0 21 3 1 #"1" 0 0 24 3 3 #") (" 0 0 14 3 6 #"circle" 0 0 24 3 1 #" " 0 0 21 3 2 #"10" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"solid" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 4 #"blue" 0 0 24 3 3 #")) " 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 8 #"bullseye" 0 0 24 3 1 #" " 0 0 21 3 1 #"2" 0 0 24 3 2 #") " 0 12 4 59 222 ( #"(#(struct:overlay #(struct:translate 10 10 #(struct:translate 10 10 " #"#(struct:ellipse 20 20 0 255 \"blue\"))) #(struct:translate 0 0 #(st" #"ruct:translate 20 20 #(struct:ellipse 40 40 0 255 \"orange\")))) #(s" #"truct:bb 40 40 40) #f)" ) 0 0 24 3 2 #") " 0 0 17 3 1 #";" 0 0 17 3 1 #"(" 0 0 17 3 7 #"overlay" 0 0 17 3 9 #" (circle " 0 0 17 3 10 #"10 'solid " 0 0 17 3 34 #"'blue) (circle 20 'solid 'orange))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 8 #"bullseye" 0 0 24 3 1 #" " 0 0 21 3 1 #"3" 0 0 24 3 2 #") " 0 12 4 59 353 ( #"(#(struct:overlay #(struct:translate 10 10 #(struct:overlay #(struct" #":translate 10 10 #(struct:translate 10 10 #(struct:ellipse 20 20 0 2" #"55 \"blue\"))) #(struct:translate 0 0 #(struct:translate 20 20 #(str" #"uct:ellipse 40 40 0 255 \"orange\"))))) #(struct:translate 0 0 #(str" #"uct:translate 30 30 #(struct:ellipse 60 60 0 255 \"blue\")))) #(stru" #"ct:bb 60 60 60) #f)" ) 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 6 #"circle" 0 0 24 3 1 #" " 0 0 21 3 2 #"10" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"solid" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 4 #"blue" 0 0 24 3 3 #") (" 0 0 14 3 6 #"circle" 0 0 24 3 1 #" " 0 0 21 3 2 #"20" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"solid" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 6 #"orange" 0 0 24 3 2 #"))" 0 0 24 29 1 #"\n" 0 0 24 3 10 #" (" 0 0 14 3 6 #"circle" 0 0 24 3 1 #" " 0 0 21 3 2 #"30" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 5 #"solid" 0 0 24 3 1 #" " 0 0 21 3 1 #"'" 0 0 14 3 4 #"blue" 0 0 24 3 2 #"))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0