From 7c17282074c2ac6707492822f25f596a660c4023 Mon Sep 17 00:00:00 2001
From: KorJIGSAW <111522731+KorJIGSAW@users.noreply.github.com>
Date: Tue, 7 Nov 2023 23:11:35 +0900
Subject: [PATCH] Fix Failing FibonacciTestCases

---
 fib.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fib.py b/fib.py
index 421cfab..61018f5 100644
--- a/fib.py
+++ b/fib.py
@@ -6,10 +6,14 @@
 Negative numbers should return None
 """
 def fibonacci(position):
-  if(position == 1 or position == 2):
-    return 1
-  return fibonacci(position - 1) + fibonacci(position - 2)
-
+    if position < 0:
+        return None
+    elif position == 0:
+        return 0
+    elif position == 1:
+        return 1
+    else:
+        return fibonacci(position - 1) + fibonacci(position - 2)