MyWidget.py #MyWidget.py from PyQt5.QtWidgets import * from PyQt5.QtGui import * class MyWidget(QWidget): def __init__(self): super().__init__() self.setWindowTitle("나의 창") pal = QPalette() pal.setColor(QPalette.Background,QColor(255,0,255)) self.setAutoFillBackground(True) self.setPalette(pal) Main.py import sys from PyQt5.QtWidgets import QApplication from MyWidget import MyWidget app = QAppli..