for i in range(1,48):
        rb = "radioButton_" + str(i)
        self.rb.setChecked(False)

from PyQt5 import Qt


class Widget(Qt.QWidget):
    def __init__(self):
        super().__init__()

        main_layout = Qt.QVBoxLayout()

        for i in range(10):
            name = str(i)

            button = Qt.QRadioButton(name)
            button.setObjectName('radioButton_' + name)

            main_layout.addWidget(button)

        self.setLayout(main_layout)

    def do_all_enabled(self):
        for button in self.findChildren(Qt.QRadioButton):
            print(button.objectName())

            if button.objectName().startswith('radioButton_'):
                button.setEnabled(False)


if __name__ == '__main__':
    app = Qt.QApplication([])

    w = Widget()
    w.do_all_enabled()
    w.show()

    app.exec()