: While specifically for PySide6 (the official Qt-backed project), the API is nearly identical to PyQt6, making these docs a valuable cross-reference for Python developers. Core Modules in PyQt6
# PyQt5 label.setAlignment(Qt.AlignCenter) pyqt6 docs
import sys from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QVBoxLayout : While specifically for PySide6 (the official Qt-backed
if == " main ": app = QApplication(sys.argv) window = FirstWindow() window.show() sys.exit(app.exec()) pyqt6 docs