pyqt5 极简类窗口

'''
pyqt5 极简类窗口 by 郑瑞国
'''
import sys
from PyQt5.QtWidgets import QWidget,QLabel,QApplication

class Mwin(QWidget):
    def __init__(self):
        super().__init__()
        self.show()

if __name__=='__main__':
    app=QApplication(sys.argv)
    win = Mwin()
    sys.exit(app.exec_())