Pointers & references in Python & CPP (rough analogues).

rnp.cpp

#include <iostream>

using namespace std;

int main() {
    // References in work.
    int x(0);
    int &ref = x;

    x = 10;
    cout << x << endl;
    cout << ref << endl;
    cout << &ref << endl;

    /*
    Python analogue:
    i = 1
    j = i
    hex(id(i)) == j hex(id(j))
    i & j have the same memory addresses (share it)
     */

    // Pointers in work.
    int y(10);
    int *point = &y;

    cout << endl;
    cout << y << endl;
    cout << point << endl;
    y = 20;
    cout << y << endl;
    cout << point << endl;

    /*
    Python analogue:
    i = 1
    j = hex(id(i))

    hex(id(i)) != hex(id(j))
    i & j memory addresses aren't coincide but j holds memory address of i
     */

    return 0;
}