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user=> (assert (= 3 (+ 1 1)))
Execution error (AssertionError) at user/eval142 (REPL:1).
Assert failed: (= 3 (+ 1 1))

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(defmacro assert [x]
  (when *assert*
    `(when-not ~x
       (throw (new AssertionError (str "Assert failed: " 
          (pr-str '~x)))))))

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user=> (def x 4)
;=> #'user/x
user=> `(1 2 3 ~x 5) ;=> (1 2 3 4 5) 

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user=> (let [my-list (* 5 6 7 8)]
          (println my-list))

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user=> `(pqr xyz abc)
(user/pqr user/xyz user/abc)

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user=> '({:a 1} (println 2))
({:a 1} (println 2))

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user=> `({:a 1} (println 2))
({:a 1} (clojure.core/println 2))

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user=> (quote ({:a 1} (println 2)))
({:a 1} (println 2))

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(defmacro mah-macro [x] 
  (println x))

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{
    "SessionKey": "21a822d1-6795-4444-892e-24a79f170f6d",
    "Query": {
        "Country": "IN",
        "Currency": "INR",
        "Locale": "en-GB",
        "Adults": 1,
        "Children": 0,
        "Infants": 0,
        "OriginPlace": "10075",