1 files changed, 8 insertions, 0 deletions
diff --git a/sample/fib.rb b/sample/fib.rb
new file mode 100644
index 0000000000..c72f91f2f2
--- /dev/null
+++ b/sample/fib.rb
@@ -0,0 +1,8 @@
+def fib (n)
+  if n<2
+    n
+  else
+    fib(n-2)+fib(n-1)
+  end
+end
+print(fib(20), "\n");