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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 is_literal_eval(node_or_string) -> tuple: """ Check if an expresion can be literal_eval. node_or_string : Input Returns ------- tuple (bool,python object) If it can be literal_eval the python object is returned. Otherwise None it is returned. (True, [1, 2, 3]) (False, None) """

    try:
        obj=ast.literal_eval(node_or_string)
        return (True, obj)
    except:
        return (False, None)