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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def grok_filter_name(element):
 """Extracts the name, which may be embedded, for a Jinja2 filter node"""

    e_name = None
    if element.name == 'default':
        if isinstance(element.node, jinja2.nodes.Getattr):
            e_name = element.node.node.name
        else:
            e_name = element.node.name

    return e_name