#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <iterator>
 
using namespace std;
 
int main() {
	std::vector<std::string> names = {"abc", "123", "Joe"};
    cout << "The number of names is " << names.size() << "\n";
    copy(names.begin(), names.end(), ostream_iterator<string>(cout, ", "));
    cout << "\nI will now erase the name 123: " << "\n";
    string delete_contact = "123";
    names.erase(std::remove(names.begin(), names.end(), delete_contact), names.end());
    cout << "The number of names is " << names.size() << "\n";
    copy(names.begin(), names.end(), ostream_iterator<string>(cout, ", " ));
}

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