From f01856594b05f5fcc0b582d4076da1edf8f25342 Mon Sep 17 00:00:00 2001
From: Carson Stuart <cjstuart@andrew.cmu.edu>
Date: Fri, 2 Sep 2022 13:09:33 -0400
Subject: [PATCH] fixed negatives

---
 fib.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fib.py b/fib.py
index 421cfab..cb44ea1 100644
--- a/fib.py
+++ b/fib.py
@@ -8,6 +8,8 @@
 def fibonacci(position):
   if(position == 1 or position == 2):
     return 1
+  if position < 0:
+    return None
   return fibonacci(position - 1) + fibonacci(position - 2)