layout = QVBoxLayout() label = QLabel("Welcome to PyQt6!") layout.addWidget(label) self.setLayout(layout) if == " main ": app = QApplication(sys.argv) window = FirstWindow() window.show() sys.exit(app.exec()) 4. Core Module Structure | Module | Purpose | |--------|---------| | PyQt6.QtCore | Core non-GUI functionality (signals, threads, files) | | PyQt6.QtGui | GUI foundations (fonts, colors, images, windows) | | PyQt6.QtWidgets | Desktop UI widgets (buttons, labels, dialogs) | | PyQt6.QtMultimedia | Audio/video playback and recording | | PyQt6.QtNetwork | TCP/IP, UDP, HTTP networking | | PyQt6.QtSql | Database integration (SQL) | | PyQt6.QtWebEngineWidgets | Web browser engine | 5. Signals & Slots (Event Handling) PyQt6 uses a signals-and-slots mechanism for communication between objects.
from PyQt6.QtWidgets import QPushButton button = QPushButton("Click Me") pyqt6 docs
1. What is PyQt6? PyQt6 is a set of Python bindings for Qt6, a powerful cross-platform application framework. It allows you to create desktop applications with native-looking GUIs using Python. layout = QVBoxLayout() label = QLabel("Welcome to PyQt6