class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
self.setGeometry(400, 200, 800, 592)
self.setFixedSize(800, 592)
self.canvas = QPixmap(800, 592)
self.label = QLabel(self)
self.label.resize(800, 552)
self.label.move(0, 40)
self.pushButton = QPushButton('создать круг', self)
self.pushButton.move(363, 10)
self.pushButton.resize(73, 21)
self.canvas.colorCount()
self.label.setPixmap(self.canvas)
layout = QGridLayout(self.centralWidget())
layout.addWidget(self.pushButton, 0, 0, alignment=Qt.AlignCenter)
layout.addWidget(self.label, 1, 0)
self.initUI()
