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static PyObject* foo_bar(PyObject* self, PyObject* args) {
    Py_RETURN_NONE;
}
static PyObject* foo_bar2(PyObject* self, PyObject* args) {
    int iNum;
    double fNum;
    char* str;
    if (!PyArg_ParseTuple(args, "ids", &iNum, &fNum, &str)) {
        return NULL;
    }
    Py_RETURN_NONE;
}
static PyMethodDef foo_methods[] = {
    {"bar",(PyCFunction)foo_bar,METH_NOARGS,NULL},
    {"bar2", (PyCFunction)foo_bar2,METH_VARARGS,NULL},
    {NULL,NULL,0,NULL}
};
PyMODINIT_FUNC initfoo() {
    Py_InitModule3("foo", foo_methods, "My first extension module.");
} Ä㻹¿ÉÒÔÖ¸¶¨¿ÉÑ¡µÄ²ÎÊý£¬Ö»ÐèҪͨ¹ýÔÚ¸ñʽ×Ö·û´®Öаüº¬Ò»¸ö"|"×Ö·û¼´¿É£¬ÈçÏÂËùʾ:´úÂëstatic PyObject* foo_bar2(PyObject* self, PyObject* args) {
    int iNum;
    double fNum;
    char* str;
    int iNum2 = 4;
    double fNum2 = 5.0;
    char *str2 = "hello";
    if (!PyArg_ParseTuple(args, "ids|ids", &iNum, &fNum, &str,&iNum2, &fNum2, &str2)) {


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