example PyQt6 hello for uv testing

hello.py

import sys
from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QGridLayout

app = QApplication(sys.argv)
widget = QWidget()
grid = QGridLayout()

text_label = QLabel()
text_label.setText("Hello World!")
grid.addWidget(text_label)

widget.setLayout(grid)
widget.setGeometry(100, 100, 200, 50)
widget.setWindowTitle("uv")
widget.show()
sys.exit(app.exec())