Skipping elements in a List Python

Question

I\'m new to programming and I\'m trying to do the codingbat.com problems to start. I came across this problem:

Given an array calculate the sum except when there is

Answer 1

One tricky thing to notice is something like this: [1, 13, 13, 2, 3]

You need to skip 2 too

def getSum(l):
    sum = 0
    skip = False
    for i in l:
         if i == 13:
             skip = True
             continue
         if skip:
             skip = False
             continue
         sum += i
    return sum

Explanation:

You go through the items in the list one by one

Each time you

• First check if it's 13, if it is, then you mark skip as True, so that you can also skip next item.
• Second, you check if skip is True, if it is, which means it's a item right after 13, so you need to skip this one too, and you also need to set skip back to False so that you don't skip next item.
• Finally, if it's not either case above, you add the value up to sum