Given the following code for partitioning labels, what is the returned list when the input string is "eccbbbbdec"?

Given the following code for partitioning labels, what is the returned list when the input string is "eccbbbbdec"?

def partitionLabels(s):
    last = [0] * 26
    for i, c in enumerate(s):
        last[ord(c) - ord('a')] = i
    res = []
    start = 0
    end = 0
    for i, c in enumerate(s):
        end = max(end, last[ord(c) - ord('a')])
        if i == end:
            res.append(end - start + 1)
            start = i + 1
    return res