diff --git a/fibo.py b/fibo.py
index 4361cce..fd56a64 100644
--- a/fibo.py
+++ b/fibo.py
@@ -1,13 +1,15 @@
 def fib(n): # write Fibonacci series up to n
-	a, b = 0, 1
+	a = 0, b = 1
 	while b < n:
-		print b,
-		a, b = b, a+b
+		print(b)
+		a = b
+		b = a + b
 
 def fib2(n): # return Fibonacci series up to n
 	result = []
-	a, b = 0, 1
+	a = 0, b = 1
 	while b < n:
 		result.append(b)
-		a, b = b, a+b
-	return result
+		a = b
+		b = a + b
+	return (result)