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import sys
from PySide2.QtCore import Slot
from PySide2.QtWidgets import QAction, QApplication, QMainWindow
from PySide2.QtCharts import QtCharts


class MainWindow(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)
        self.setWindowTitle("Tutorial")

        # Menu
        self.menu = self.menuBar()
        self.file_menu = self.menu.addMenu("File")

        # Exit QAction
        exit_action = QAction("Exit", self)
        exit_action.setShortcut("Ctrl+Q")
        exit_action.triggered.connect(self.exit_app)

        self.file_menu.addAction(exit_action)

    @Slot()
    def exit_app(self, checked):
        QApplication.quit()


if __name__ == "__main__":
    # Qt Application
    app = QApplication(sys.argv)

    window = MainWindow()
    window.resize(800, 600)
    window.show()

    # Execute application
    sys.exit(app.exec_())
