Improved tasks 146, 295

Author: javadev

src/main/racket/g0101_0200/s0146_lru_cache/readme.md

@@ -105,4 +105,9 @@ lRUCache.get(4); // return 4
                 (set! head new-node)
                 (unless tail (set! tail new-node))
                 (hash-set! cache key new-node))))))))
+
+;; Your lru-cache% object will be instantiated and called as such:
+;; (define obj (new lru-cache% [capacity capacity]))
+;; (define param_1 (send obj get key))
+;; (send obj put key value)
 ```

src/main/racket/g0201_0300/s0295_find_median_from_data_stream/readme.md

@@ -75,4 +75,9 @@ Implement the MedianFinder class:
       (if (> (heap-count max-heap) (heap-count min-heap))
           (exact->inexact (heap-min max-heap))
           (/ (+ (heap-min max-heap) (heap-min min-heap)) 2.0)))))
+
+;; Your median-finder% object will be instantiated and called as such:
+;; (define obj (new median-finder%))
+;; (send obj add-num num)
+;; (define param_2 (send obj find-median))
 ```