//QT
void ReadTxt()
{
    QFile f("result.txt");
    if (!f.open(QIODevice::ReadOnly|QIODevice::Text)) //打开指定文件
    {
        QMessageBox::about(NULL, "文件", "文件打开失败");
    }

    QTextStream txtInput(&f);
    QString lineStr;
    while (!txtInput.atEnd())
    {
        lineStr = txtInput.readLine();  //读取数据
        qDebug()<<lineStr;
    }

    f.close();
}

#Python
import os
with open('result.txt', 'r') as f:
    lines = f.readlines()
    for line in lines:
        print(line.rstrip())  #删除字符串末尾的空白