#include <iostream>using std::cout;using std::endl;#include <string>using std::string;int main(){ string string1( "This is a test string!"); int location; cout << "Original string:\n" << string1 << "\n\n(find) \"is\" was found at: " << string1.find( "is" ); return 0;}/* Original string:This is a test string!(find) "is" was found at: 2 */