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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 create_group(value):
 """Create the group wrapper node."""

    node = etree.Element('div', attrib={'class': 'group-by'})
    span = etree.Element('span', attrib={'class': 'group-label'})
    span.text = value
    node.append(span)
    return node