Added Fisher and Yates Shuffle

other/fisher_yates.rb

@@ -0,0 +1,12 @@
+# Fisher and Yates Shuffle is one of the simplest and most popular shuffling algorithm
+def fisher_yates_shuffle(array)
+    n = array.length
+    while n > 0 
+        i = rand(n-=1)
+        array[i], array[n] = array[n], array[i]
+    end
+    return array
+end
+
+arr = [1, 2, 40, 30, 20, 15, 323, 12, 3, 4]
+puts fisher_yates_shuffle(arr)