c 2b 2b call python function

1#include <iostream>
2
3using namespace std;
4
5void function(){
6    cout << "I am a function!" << endl;
7}
8
9int main()
10{
11    function();
12
13    return 0;
14}

1#include <Python.h>
2#include <stdlib.h>
3
4int main() {
5   // Set PYTHONPATH TO working directory
6   setenv("PYTHONPATH",".",1);
7
8   PyObject *pName, *pModule, *pDict, *pFunc, *pValue, *presult;
9
10   // Initialize the Python Interpreter
11   Py_Initialize();
12
13   // Build the name object
14   pName = PyString_FromString((char*)"arbName");
15
16   // Load the module object
17   pModule = PyImport_Import(pName);
18
19   // pDict is a borrowed reference 
20   pDict = PyModule_GetDict(pModule);
21
22   // pFunc is also a borrowed reference 
23   pFunc = PyDict_GetItemString(pDict, (char*)"someFunction");
24
25   if (PyCallable_Check(pFunc)) {
26       pValue=Py_BuildValue("(z)",(char*)"something");
27       PyErr_Print();
28       printf("Let's give this a shot!\n");
29       presult=PyObject_CallObject(pFunc,pValue);
30       PyErr_Print();
31   } 
32   else 
33       PyErr_Print();
34  
35   printf("Result is %d\n",PyInt_AsLong(presult));
36   Py_DECREF(pValue);
37
38   // Clean up
39   Py_DECREF(pModule);
40   Py_DECREF(pName);
41
42   // Finish the Python Interpreter
43   Py_Finalize();
44  
45   return 0;
46}

1//It means that the first function ($filter) returns another 
2//function and then that returned function is called immediately. 
3//For Example:
4function add(x){
5  return function(y){
6    return x + y;
7  };
8}
9
10var addTwo = add(2);
11
12addTwo(4) === 6; // true
13add(3)(4) === 7; // true