import sys
from PySide6.QtWidgets import QApplication, QWidget, QLabel, QPushButton, QVBoxLayout

class TestWindow(QWidget):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("PySide6 Test")

        # Tworzymy label
        self.label = QLabel("Hello from PySide6!", self)

        # Tworzymy przycisk do zamykania
        self.close_button = QPushButton("Zamknij")
        self.close_button.clicked.connect(self.close)

        # Układ pionowy
        layout = QVBoxLayout()
        layout.addWidget(self.label)
        layout.addWidget(self.close_button)

        self.setLayout(layout)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = TestWindow()
    window.show()
    sys.exit(app.exec())