void BoundedBuffer::push(string item){
/*    if(there is some empty slot){//data.size < b
        data.push_back(item);
    }else{
        wait();
    }
*/ //replace with 

	

    empty.P();
    data.push_back(item);
    
    full.V();//increment the number of full slots now.
}

void BoundedBuffer::pop(){

}