initialize

1 files changed, 15 insertions, 0 deletions

diff --git a/lua/2.lua b/lua/2.lua
new file mode 100755
index 0000000..a5a2374
--- /dev/null
+++ b/lua/2.lua
@@ -0,0 +1,15 @@
+function fact (n)
+    if n == 0 then
+        return 1
+    else
+        return n * fact(n-1)
+    end
+end
+
+print("enter a number: ")
+a = io.read("*n")   -- Read a number
+if a < 0 then
+    print(a .. "negative")
+    return 1;
+end
+print(fact(a))