From f85aaea4219559566e228ec98a9ff9790d1685b0 Mon Sep 17 00:00:00 2001
From: ishakafatnani <65871848+ishakafatnani@users.noreply.github.com>
Date: Fri, 5 Feb 2021 19:48:18 +0530
Subject: [PATCH] Update 41 Fibonacci Sequence.txt

---
 41 Fibonacci Sequence.txt | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/41 Fibonacci Sequence.txt b/41 Fibonacci Sequence.txt
index 828b09c..219bab2 100644
--- a/41 Fibonacci Sequence.txt	
+++ b/41 Fibonacci Sequence.txt	
@@ -5,8 +5,14 @@ def fib(n):
 
     a = 0
     b = 1
-
-    if n == 1:
+    
+    if n < 0:
+      print("incorrect input")
+      
+    elif n == 0:
+      return 0
+      
+    elif n == 1:
         print(a)
 
     else:
@@ -17,6 +23,6 @@ def fib(n):
         c = a + b
         a = b
         b = c
-        print(a+b)
+        print(c)
 
-fib(100)
+fib(9)