How can a QTextEdit be displayed already with the entered text?

Question

Python

def seting(self):
        dialog = QDialog()
        dialog.setWindowTitle("Dialog Demo")
        dialog.resize(300, 200)
        reviewEdit = QTextEdit()

        grid = QtWidgets.QGridLayout()
        grid.setSpacing(10)

        grid.addWidget(reviewEdit, 1, 1, 10 ,1)

        dialog.setLayout(grid)
        dialog.exec_()

Answer 1

qtextedit should have a default value argument