grade calculator.clj

; Instructions:
; Execute (calculate-grade-from-user-input)

(defn average
  [coll]
  (/ (reduce + coll) (count coll) 1.0))

(defn collect-test-scores
  []
  (loop [lines []]
    (if-let [[line & rest]
             (do (println (str "Test score " (inc (count lines)) "?"))
               (seq (filter #(not (clojure.string/blank? %)) [(read-line)])))]
      (recur (conj lines line))
      (map #(Integer/parseInt %) lines))))

(def cutoffs
  [[95 "A+"] [90 "A-"]
   [85 "B+"] [80 "B-"]
   [75 "C+"] [70 "C-"]
   [65 "D+"] [60 "D-"]
   [0 "F"]])

(defn letter-grade
  [average]
  (second
    (first
      (filter #(<= (first %) average) cutoffs))))

(defn collect-user-input
  []
  (let [username (do (println "User name? ") (read-line))
        scores (collect-test-scores)]
    [username scores]))

(defn calculate-grade-from-user-input
  []
  (let [[username scores] (collect-user-input)
        average-score (average scores)]
    (format "User: %s Grade: %s Average: %2.1f"
            username
            (letter-grade average-score)
            average-score)))

grade_solver.py

def grade_solver():
	cutoffs =  [[95, "A+"], [90, "A-"],
		   [85, "B+"], [80, "B-"],
		   [75, "C+"], [70, "C-"],
		   [65, "D+"], [60, "D-"],
		   [0, "F"]]

	scores = []

	temp_score = '###'

	username = raw_input("Name please: ")

	while temp_score:
		temp_score = raw_input("Test score %d: " % (len(scores) + 1))
		if temp_score:
			scores.append(float(temp_score))

	average = sum(scores) / len(scores)

	for minimum, letter in cutoffs:
		if average > minimum:
			return "%s earned a %s with a %2.1f average." % (username, letter, average)