如何清除框架布局中的所有内容

Question

除了垂直布局，我想清除框架中的所有内容。我将在以后添加更多内容，将其清空后添加到“垂直”布局中。

我试图清除“垂直”布局，但出现错误：QVBoxLayout'对象没有属性“ clear

from PyQt5 import QtWidgets, QtCore
from PyQt5.QtWidgets import QPushButton, QLabel, QFrame, QVBoxLayout, QWidget, QGridLayout

class MyWindow(QtWidgets.QMainWindow, QPushButton):
    def __init__(self):
        super(MyWindow, self).__init__()
        centralWidget = QWidget()
        self.setCentralWidget(centralWidget)
        self.Frame = QFrame(self)
        self.Frame2 = QFrame(self)
        self.button = QPushButton("Button 1",self)
        self.button2 = QPushButton("Clear",self)
        self.button2.clicked.connect(self.Clear)
        self.label = QLabel("Label 1",self)
        self.Glayout = QGridLayout(centralWidget)
        self.Glayout.addWidget(self.Frame)
        self.Glayout.addWidget(self.Frame2)
        self.VL = QVBoxLayout(self.Frame)
        self.VL2 = QVBoxLayout(self.Frame2)
        self.VL.addWidget(self.button)
        self.VL.addWidget(self.label)
        self.VL2.addWidget(self.button2)

    def Clear(self):
        self.VL2.clear()

if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    window = MyWindow()
    window.show()
    sys.exit(app.exec_())