PyQt5 で QLabel のグループ化

list化すれば容易にできた。

import sys
from PyQt5 import QtCore
from PyQt5.QtWidgets import *
from PyQt5.QtGui import QImage, QPixmap

ql_x_position = (200, 400, 600, 200, 400, 600, 200, 400, 600)
qr_x_position = (1160, 1360, 1560, 1160, 1360, 1560, 1160, 1360, 1560)
q_y_position = (80, 80, 80, 280, 280, 280, 480, 480, 480)
a_x_position = (25, 215, 405, 595, 785, 975, 1165, 1355, 1545, 1735)
a_y_position = (700, 890)

class Window(QWidget):

    def __init__(self):
        super().__init__()
        self.initUI()
        self.question = True

    def initUI(self):

        self.label_list_left = [QLabel(self) for i in range(9)]
        self.label_list_right = [QLabel(self) for i in range(9)]
        
        for i in range(9):
            self.label_list_left[i].setGeometry(QtCore.QRect(ql_x_position[i], q_y_position[i], 160, 160))
        
        for i in range(9):
            self.label_list_right[i].setGeometry(QtCore.QRect(qr_x_position[i], q_y_position[i], 160, 160))

        self.label_list_2 = [QLabel(self) for i in range(10)]
        self.label_list_3 = [QLabel(self) for i in range(10)]

        for i in range(10):
            self.label_list_2[i].setGeometry(QtCore.QRect(a_x_position[i], a_y_position[0], 160, 160))

        for i in range(10):
            self.label_list_3[i].setGeometry(QtCore.QRect(a_x_position[i], a_y_position[1], 160, 160))

    def keyPressEvent(self, e):

        if e.key() == QtCore.Qt.Key_0:
            if self.question == True:
                # 画像の表示
                for i in range(9):
                    self.label_list_left[i].setPixmap(QPixmap.fromImage(image))
                    self.label_list_right[i].setPixmap(QPixmap.fromImage(image))

                for i in range(10):
                    self.label_list_2[i].setPixmap(QPixmap.fromImage(image))
                    self.label_list_3[i].setPixmap(QPixmap.fromImage(image))

                self.question = False
            
            else:
                # 画像の消去
                for i in range(9):
                    self.label_list_left[i].clear()
                    self.label_list_right[i].clear()

                for i in range(10):
                    self.label_list_2[i].clear()
                    self.label_list_3[i].clear()
                
                self.question = True

        # エスケープキーを押すと画面が閉じる
        if e.key() == QtCore.Qt.Key_Escape:
            self.close()

image = QImage('donut.png').scaled(160,160,QtCore.Qt.KeepAspectRatio) 

app = QApplication(sys.argv)
ex =Window()

ex.showFullScreen()
sys.exit(app.exec_())