pyqt5 hello world
import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel
# you can copy and run this code
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setWindowTitle("Hello World")
label = QLabel("Hello World", self)
self.show()
if __name__ == "__main__":
app = QApplication(sys.argv)
window = MainWindow()
sys.exit(app.exec_())