Cout.write learning

#include<iostream>
using namespace std;

int main() {
    

	const char* str = "Hello World \n yes you\0 hia";
	// To \0 Cut off calculation at 
	int len = strlen(str);
	for (int i = 0; i < len; i++) {
    
	// encounter \n The newline symbol does not stop , Instead, it reads a specified number of characters or encounters \0 stop it 
	// Incoming address , Output i Characters 
		cout.write(str, i);
		cout << endl;
	}

	return 0;
}