import sys
from PyQt5 import QtWidgets
def Pencere():
app = QtWidgets.QApplication(sys.argv)
pencere = QtWidgets.QWidget()
pencere.setWindowTitle("PyQt5 Ders 3")
buton = QtWidgets.QPushButton(pencere)
buton.setText("Burası bir butondur")
etiket = QtWidgets.QLabel(pencere)
etiket.setText("Merhaba Dünya")
etiket.move(200,30)
buton.move(190,80)
pencere.setGeometry(100,100,500,500)
pencere.show()
sys.exit(app.exec_())
Pencere()