QGridlayout_example.py

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QPushButton, QGridLayout

app = QApplication(sys.argv)

widget = QWidget()
grid_layout = QGridLayout()

label = QLabel("Sample label")
button = QPushButton("Button") # create an instance of QPushbutton

grid_layout.addWidget(label, 0, 0)
grid_layout.addWidget(button, 1, 0)

widget.setLayout(v_layout)
widget.show()
sys.exit(app.exec())