I have to write a function that will take a vector as input, repeat the
elements multiple times and return back a single vector of the repeated
items. I came up with the following but am wondering if there is a
better or simpler way to write this:

(def xs ["a" "b" "c"])

(defn repeat-vec-n 
  [xs n]
  (vec 
    (reduce concat [] 
      (take n (repeat xs)))))

OUTPUT:
user=> xs
["a" "b" "c"]

user=> (repeat-vec-n xs 3)
["a" "b" "c" "a" "b" "c" "a" "b" "c"]

-- Shoeb

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