human
I wrote the below code

    def splitCamels(s):
        '    Convert    "fooBar"    to    "foo    bar"    '
        return re.sub('[a-z][A-Z]', (lambda x: ((x.group(0)[0] + '    ') + x.group(0)[1].lower())), s)
    return string.capwords(re.sub('_', '    ', splitCamels(s)).lower())

What's a good function header?

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Here's a good function header?
assistant
#Here's a good function header.

def format_counter_name(s):