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Task/Averages-Mode/EchoLisp/averages-mode.echolisp

@@ -0,0 +1,16 @@
+(define (modes L)
+	(define G (group* L)) ;; sorts and group equal items
+	(define cardmax (for/max [(g G)] (length g)))
+	(map first (filter (lambda(g) (= cardmax (length g))) G)))
+
+(modes '( a b c a d e f))
+    → (a)
+(modes (iota 6))
+    → (0 1 2 3 4 5)
+(modes '(x))
+    → (x)
+(modes '(🎾 🏉 ☕️ 🎾 🎲 🎯 🎺 ☕️ 🎲 🎸 🎻 🏆 ☕️ 🏁 🎾 🎲 🎻 🏉 ))
+    → (🎾 ☕️ 🎲)
+
+(modes '())
+😖️ error: group : expected list : null 🔎 'modes'