{

string s1 = "penguin";

string s2, s3;

cout << "You can assign one string object to anther: s2 = s1\n";

s2 = s1;

std::cout << "s1:" << s1 << "s2:" << s2 << std::endl;

std::cout << "You can assign a C-style string to a string object." << std::endl;

std::cout << "s2 = \"buzzard\"" << std::endl;

s2 = "buzzard";

std::cout << "s2:" << s2 << std::endl;

std::cout << "You can concatenate strings: s3 = s1 + s2" << std::endl;

s3 = s1 + s2;

std::cout << "s3:" << s3 << std::endl;

std::cout << "s1 += s2 yields s1 = " << s1 << std::endl;

s2 += "for a day";

std::cout << "s2 += \" for a day\" yields s2 = " << s2 << std::endl;

return 0;