import sys
from PySide6.QtWidgets import QApplication, QListWidget
from PySide6.QtCore import QLibraryInfo, QOperatingSystemVersion, qVersion, Qt
 
if __name__ == "__main__":
    print('Python {}.{}.{}'.format(sys.version_info[0], sys.version_info[1],
                                   sys.version_info[2]))
    print(QLibraryInfo.build())    
    app = QApplication(sys.argv)
    list_widget = QListWidget()
    list_widget.setWindowTitle(qVersion())
    list_widget.addItems(["Item 1", "Item 2", "Item 3"])
    list_widget.show()
    list_widget.update()
    sys.exit(app.exec())
 
    main()