#include
#include
using namespace std;
int main( )
{
string s1( "this is a test" );
string s1_copy;
s1_copy = s1;
string s1_duplicate( s1 );
cout << "String 1: " << s1
<< "\nCopy of String 1: " << s1_copy
<< "\nDuplicate of String1: " << s1_duplicate;
string s2( "B" );
cout << "\n\nString 2: " << s2;
s1 = s2.substr( 0, 6 );
cout << s1;
}