PyQt (create a window)

import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QIcon

class Example(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()

    initUI DEF (Self): 
　　　　# Set length and width and the display coordinates x, y　　
        Self.setGeometry # (400,400,500,500) 
　　　　# same
        self.resize(500,500)
        self.move (300, 300) 
　　　　# window title
        self.setWindowTitle('Icon')

        self.show()


if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())