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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 set_attributes(node, overwrite=True, **attributes):
 """Set multiple attributes on node. If overwrite is False, and the attribute already exists, does nothing. If the value for a key is None, the attribute is deleted. """

    aset = node.attrs
    for k, v in attributes.items():
        if not overwrite and k in aset:
            pass
        elif v is None:
            if k in aset:
                del aset[k]
        else:
            aset[k] = v