diff --git a/13/3 - It's Natural.py b/13/3 - It's Natural.py
new file mode 100644
index 0000000..590e5f3
--- /dev/null
+++ b/13/3 - It's Natural.py	
@@ -0,0 +1,8 @@
+def naturalNumbers(n):
+   out = []
+   for i in range(n):
+      out += [i+1]
+   return out
+
+#def naturalNumbers(n):
+#   return [i+1 for i in range(n)]