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- from PyQt5 import QtWidgets, uic
- from PyQt5 import QtGui
- from PyQt5.QtCore import QCoreApplication
- from PyQt5.QtWidgets import QWidget, QMessageBox, QApplication
- import sys
- app = QtWidgets.QApplication([])
- win = uic.loadUi("label.ui") # расположение вашего файла .ui
- w = QtWidgets.QLabel('Hello World!\n')
- win.scrollArea.setWidget(w)
- def click():
- try:
- summ = int(win.lineEdit.text()) + int(win.lineEdit_2.text())
- win.label.setText(str("Результат сложения: " + str(summ)))
- win.scrollArea.setWidget(w)
- except ValueError:
- QMessageBox.about(win, "Ошибка", "Нужно ввести 2 целых числа!")
- win.summ_bth.clicked.connect(click)
- win.show()
- sys.exit(app.exec())
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