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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 CreateFromDOM(node, default_namespace=None):
 """Create a Python instance from the given DOM node. The node tag must correspond to an element declaration in this module. @deprecated: Forcing use of DOM interface is unnecessary; use L{CreateFromDocument}. """

    if default_namespace is None:
        default_namespace = Namespace.fallbackNamespace()
    return pyxb.binding.basis.element.AnyCreateFromDOM(node, default_namespace)