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def on_button_clicked(self): print("Button clicked!")
class HelloWorldApp(QWidget): def __init__(self): super().__init__() pyqt6 tutorial pdf hot
import sys from PyQt6.QtWidgets import QApplication, QWidget, QLabel def on_button_clicked(self): print("Button clicked
def main(): app = QApplication(sys.argv) ex = SignalsAndSlotsApp() sys.exit(app.exec()) pyqt6 tutorial pdf hot
layout.addWidget(button) layout.addWidget(label)