无法通过ScriptEngineManager put方法从Java将参数传递给Python模块

Question

使用javax.script.ScriptEngineManager object.Put方法将参数从Java代码传递到Python模块变得越来越困难，但是由于该参数返回null，因此无法在python中使用参数；

    import java.io.FileNotFoundException;
    import java.io.FileReader;
    import java.io.StringReader;
    import java.io.StringWriter;
    import java.lang.*;
    import javax.script.ScriptContext;
    import javax.script.ScriptEngineManager;
    import javax.script.ScriptException;
    import javax.script.SimpleScriptContext;
    import javax.script.SimpleScriptContext;
    import javax.script.ScriptEngine;

    public class CallPythonScript {

        public static void main(String[] args)  {
            // TODO Auto-generated method stub

    StringWriter writer=new StringWriter();
    StringReader s=new StringReader("3");
    ScriptEngineManager manager1=new ScriptEngineManager();
    ScriptContext context=new SimpleScriptContext();
    context.setWriter(writer);
    ScriptEngine engine=manager1.getEngineByName("python");
//Trying to fetch value return to Engine argument into my python code
    engine.put(engine.ARGV, "12");
    try
    {
        engine.eval(new FileReader("printprogram.py"),context);
       System.out.println("helloexception");

我无法通过使用sys.argv在python代码中使用参数值在python中返回空值。有人可以调查我的问题         在此先感谢