file handling read and write

#include <iostream>
#include <fstream>
#include <string>
#include <limits>

using namespace std;

void writeFile(const string& filename) {
    ofstream os(filename);
    if (!os) {
        cout << "Error opening the file for writing." << endl;
        return;
    }

    cout << "Enter a line of text: ";
    string input;
    getline(cin, input);
    os << input << endl;

    cout << "Enter a word: ";
    cin >> input;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');
    os << input << endl;

    os.close();
}

void readFile(const string& filename) {
    ifstream is(filename);
    if (!is) {
        cout << "Error opening the file for reading." << endl;
        return;
    }

    string line;
    while (getline(is, line)) {
        cout << line << endl;
    }

    is.close();
}

int main() {
    string filename = "Testout.txt";

    writeFile(filename);
    readFile(filename);

    return 0;
}