Clojure China

4clojure-105题, 我自己测试可以,但是网站上通不过,求助哪里有问题

#1

我的代码

(defn iden-keys-vals
  [coll]
  (reduce (fn [m a]
            (if (keyword? a)
              (assoc m a [])
              (let [[k v] (last m)]
                (assoc m k (conj v a)))))
          {}
          coll))