string erase
#include <iostream>
#include <string>
int main() {
std::string str = "Hello, World!";
// Erase a single character at position 7
str.erase(7, 1);
// Erase a range of characters from position 0 to 5
str.erase(0, 5);
// Output the modified string
std::cout << str << std::endl;
return 0;
}