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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 get_namespace_and_tag(name):
 """ Separates the namespace and tag from an element. :param str name: Tag. :returns: Namespace URI and Tag namespace. :rtype: tuple """


        if isinstance(name, str):
            if name[0] == "{":
                uri, ignore, tag = name[1:].partition("}")
            else:
                uri = None
                tag = name
        else:
            uri = None
            tag = None
        return uri, tag