C:/Users/Edvinas/Documents/InteractiveHelloWorld/mainwindow.cpp:35: error: no 'void MainWindow:n_Button_clicked()' member function declared in class 'MainWindow'

C:/Users/Edvinas/Documents/InteractiveHelloWorld/mainwindow.cpp:43: error: declaration of 'void MainWindow::initMyWordList()' outside of class is not definition

Then i get that omg so much errors