python
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton
class MyWindow(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.setGeometry(300, 300, 300, 200)
self.setWindowTitle('PyQt Example')
button = QPushButton('Click me', self)
button.setGeometry(100, 100, 100, 50)
if __name__ == '__main__':
app = QApplication(sys.argv)
window = MyWindow()
window.show()
sys.exit(app.exec_())
