grid_test.py

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


class MainWindow(QWidget):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        self.setWindowTitle('Login Form')

        # set the grid layout
        layout = QGridLayout()
        self.setLayout(layout)

        # username
        layout.addWidget(QLabel('Username:'), 0, 0)
        layout.addWidget(QLineEdit(), 0, 1)

        # password
        layout.addWidget(QLabel('Password:'), 1, 0)
        layout.addWidget(QLineEdit(echoMode=QLineEdit.EchoMode.Password), 1, 1)

        # buttons
        layout.addWidget(QPushButton('Log in'), 2, 0,
                         alignment=Qt.AlignmentFlag.AlignRight)
        layout.addWidget(QPushButton('Close'), 2, 1,
                         alignment=Qt.AlignmentFlag.AlignRight)

        # show the window
        self.show()


if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MainWindow()
    sys.exit(app.exec())