can i send a string as parameter?

Question

yesterday i try to send a string to a function in c++. But i dont know how can i send that. if anyone can ,try it. send a string as "sujith" and change it to "john" in a function

Answer 1

void change(std::string& str) {
str = "john";
}

int main() {
std::string test = "Sujith";
change(test);
}

Answer 2

By reference or value?

Answer 3

by reference may be good

Answer 4

in any way

Answer 5

thank you for your best answer. can we change the program into return a string?