WAP to clear the screen using system(cls)

//program to clear the screen using system("cls")
#include <iostream>//header file
#include<stdlib.h>//header file to work with system("cls")
using namespace std;//to handle all standard characters/functions,reserved words  used in program. we do not use in turboc++ compiler

int main()          //main function
    system("cls");//clears the screen
    cout << "Hello world!" << endl;//prints the literal
    cout<<"second line "<<endl;//prints the literal
    return 0;               //returns 0

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