swap.c

#include <stdio.h>

void main() {
  int a = 10;
  int b = 1;
  int temp;
  printf("%d %d", a, b);

  temp = a;
  a = b;
  b = temp;
  printf("%d %d", a, b);
}

swap.py

a, b = 10, 1
print(a, b)

a, b = b, a
print(a, b)