array index failure but how
def checkio(array): """ sums even-indexes elements and multiply at the last """ sum = 0 product = 0
if len(array) == 1: return array[0]*array[0] elif len(array) == 0: return 0 else: for a in range(0,len(array)-1, 2): n = array[a] sum += n product = sum * array[-1] return product
This one gives Assertion error on ([1, 3, 5]) == 30 even if my result is 30. If I add the following line:
elif len(array) == 3: return (array[0]+array[2])*array[-1]
to overcome the assertion problem, it is giving me the following failure:
Your result is -4200, but correct result is -1700 for test data (-89,-86,13,-69,94,-75,66,97,-50)
How come is my result different? And also why is my code not working on (assert checkio([1, 3, 5]) == 30, "(1+5)*5=30" even if I find the same result?
Thank you in advance.