fix fibonacci

source/_static/code/fibonacci_iteration.py

@@ -19,12 +19,12 @@ def fibonacci(n):
         elif i == 1:
             fib_suite.append(1)
         else: 
-            res = fib_suite[i-1] + fib_suite[i-2] 
+            res = fib_suite[-1] + fib_suite[-2]
             fib_suite.append(res)
         i += 1
     return fib_suite
 
-print ', '.join([str(i) for i in fibonacci(10)])
+print(', '.join([str(i) for i in fibonacci(10)]))
 
 
 def fibonacci_2(n):