lab_7

task 14.py

def myfunc1():
  x = "John"
  def myfunc2():
    nonlocal x
    x = "hello"
  myfunc2()
  return x

print(myfunc1())

task 5.cpp

#include <iostream>

using namespace std;

void dswap(double *x, double *y) {
    double t=*x;
    *x=*y;
    *y=t;
}

int main() {
    double x=1.5, y=3.4;
    dswap(&x, &y);
    cout << x << " " << y;
    return 0;
}

task 6.cpp

#include <iostream>

using namespace std;

int rec(int x) {
    return rec(x+1);
}

int main() {
    cout << rec(1);
    return 0;
}

task 9.java

class A {
    static int x = 1;
}

public class Main
{
	public static void main(String[] args) {
	    A a_1 = new A();
	    A a_2 = new A();
	    System.out.println(a_1.x + " " + a_2.x);
	    A.x = 10;
	    System.out.println(a_1.x + " " + a_2.x);
	}
}