    @Test
    public void pythonUtilMethods() {

        Map<String,String> p = new HashMap<String,String>();
        p.put("a","12345");
        p.put("b","\"test\"");
        p.put("uni","'%\u0001\u0002\u0003\u0000abc");
        String dictRepr = util.pythonDict(p);
        System.out.println("=======");
        System.out.println(dictRepr);
        System.out.println("=======");
    }