from PyQt5.QtWidgets import QRadioButton, QApplication, QVBoxLayout, QWidget

def onClicked(button):
    if button.text() == 'Button1':
        if button.isChecked():
            print("Button1 is checked")
    if button.text() == 'Button2':
        if button.isChecked():
            print("Button2 is checked")

app = QApplication([])
window = QWidget()

RadioButton1 = QRadioButton('Button1')
RadioButton2 = QRadioButton('Button2')

RadioButton1.toggled.connect(lambda:onClicked(RadioButton1))
RadioButton2.toggled.connect(lambda:onClicked(RadioButton2))

layout = QVBoxLayout()
layout.addWidget(RadioButton1)
layout.addWidget(RadioButton2)

window.setLayout(layout)
window.setGeometry(200, 200, 300, 150)
window.setWindowTitle('RadioButton Example')
window.show()
app.exec_()