human
I wrote the below code

    def matcher(node):
        return ((node.nodeName == 'pre') and node.hasAttribute('class') and (node.getAttribute('class') == 'python'))
    for node in domhelpers.findElements(document, matcher):
        fontifyPythonNode(node)

What's a good function header?

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

def fontifyPython(document):