from PyQt6.QtWidgets import (
    QApplication,
    QLineEdit,
    QLabel,
    QMainWindow,
    QWidget,
    QFormLayout,
    QGroupBox
)
from PyQt6.QtCore import Qt

class TaskTwo(QMainWindow):
    def __init__(self):
        super().__init__()
        self._init_ui()

    def _init_ui(self):
        self.root = QWidget()
        self.form = QFormLayout()

        self.group = QGroupBox("Калькулятор скидки")
        self.form