#include /* * * 5.2 * * */ int main () { // A block is when we need to do multiple statements for example within a loop (which only requires 1) // A block is also useful to contain objects in a certain scope and such. int i = 0; int j = 0; while(i != 100) { // Start of block ++i; j = i * 2; } // end of block std::cout << i << " " << j << std::endl; return 0; }