---

from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QPushButton, QMenu, QMainWindow, QLineEdit
from PyQt6.QtGui import QIcon, QFont, QPixmap, QMovie
from PyQt6.QtCore import QSize
import sys


class Window(QWidget):
    def __init__(self):
        super().__init__()

        self.setGeometry(200,200, 700, 400)
        self.setWindowTitle("Python GUI Development")
        self.setWindowIcon(QIcon('images/python.png'))
        self.line_edit=QLineEdit(self)
        self.line_edit.setFont((QFont("Times New Roman", 12)))
        #line_edit.setText("Default Text")
        # line_edit.setPlaceholderText("Please enter something")
        # line_edit.setEnabled(False)
        self.line_edit.setEchoMode(QLineEdit.EchoMode.PasswordEchoOnEdit)
        self.line_edit.move(100,100)
        self.line_edit.textChanged.connect(self.txt_changed)
        # line_edit_2=QLineEdit(self)

    def txt_changed(self):
        text=self.line_edit.text()
        self.setWindowTitle(text)





app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec())