c++ insert

#include
#include

int main ()
{
std::string str=“to be question”;
std::string str2="the ";
std::string str3=“or not to be”;
std::string::iterator it;
str.insert(6,str2);
str.insert(6,str3,3,4);
str.insert(10,“that is cool”,8);
str.insert(10,"to be ");
str.insert(15,1,’:’);
it = str.insert(str.begin()+5,’,’);
str.insert (str.end(),3,’.’);
str.insert (it+2,str3.begin(),str3.begin()+3);

std::cout << str << ‘\n’;
return 0;
}