import sys from PyQt.QtWidgets import QApplication, QWidget app = QApplication(sys.argv) window = QWidget() window.show() sys.exit(app.exec_())
import sys from PyQt.QtWidgets import QApplication, QWidget, QPushButton app = QApplication(sys.argv) window = QWidget() button = QPushButton("Click me!", window) button.move(50, 50) window.show() sys.exit(app.exec_())In the above example, we first import the necessary modules - sys, PyQt.QtWidgets, and QPushButton. We then create a QApplication object and a QWidget object named "window". We also create a QPushButton object named "button" and set its text to "Click me!". We then move the button to position (50, 50) using the move() method. Finally, we display the widget and exit the application using the exec_() method of QApplication. Package library: PyQt5.