When to use Py_INCREF(x) and Py_DECREF(x)

[Opinderjit]

I am confused with when to use Py_INCREF(x) and Py_DECREF(x). In the
following example, I am creating a dictionary object, populating it,
and returning it back to Python. Should I use Py_INCREF(dict) to
increase the dictionary object's reference count?

Thanks.

PyObject *dict;      // Metadata dictionary
dict = PyDict_New();
while (pos != NULL)
{
   ...
   // Name is a string
   // Value is a string
   PyDict_SetItemString(dict, Name, PyString_FromString(Value));
   delete Name;
}
return dict;


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