From 242eddd5cb472f9225747fbbb38a56b48a04cdd9 Mon Sep 17 00:00:00 2001
From: Yuqi Gong <yuqigong@andrew.cmu.edu>
Date: Wed, 31 Aug 2022 14:06:57 -0400
Subject: [PATCH] fixed fibo zero

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

diff --git a/fib.py b/fib.py
index 421cfab..5094a64 100644
--- a/fib.py
+++ b/fib.py
@@ -6,6 +6,8 @@
 Negative numbers should return None
 """
 def fibonacci(position):
+  if position == 0:
+    return 0
   if(position == 1 or position == 2):
     return 1
   return fibonacci(position - 1) + fibonacci(position - 2)