如何让pyqt5多个输入小部件强制输入某些内容？

from PyQt5.QtWidgets import QApplication, QWidget, QLineEdit, QVBoxLayout
from PyQt5.QtCore import Qt

class MyWidget(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        self.setWindowTitle("Force Input Example")

        layout = QVBoxLayout()

        # 创建多个输入小部件
        self.input1 = QLineEdit()
        self.input2 = QLineEdit()
        self.input3 = QLineEdit()

        # 将输入小部件添加到布局中
        layout.addWidget(self.input1)
        layout.addWidget(self.input2)
        layout.addWidget(self.input3)

        # 连接信号和槽
        self.input1.textChanged.connect(self.checkInput)
        self.input2.textChanged.connect(self.checkInput)
        self.input3.textChanged.connect(self.checkInput)

        self.setLayout(layout)

    def checkInput(self):
        # 获取输入小部件的文本
        text1 = self.input1.text()
        text2 = self.input2.text()
        text3 = self.input3.text()

        # 检查输入小部件的内容
        if text1 == "pyqt" and text2 == "5" and text3 == "input":
            # 如果满足条件，设置输入小部件的背景色为绿色
            self.input1.setStyleSheet("background-color: green;")
            self.input2.setStyleSheet("background-color: green;")
            self.input3.setStyleSheet("background-color: green;")
        else:
            # 如果不满足条件，设置输入小部件的背景色为红色
            self.input1.setStyleSheet("background-color: red;")
            self.input2.setStyleSheet("background-color: red;")
            self.input3.setStyleSheet("background-color: red;")

if __name__ == '__main__':
    app = QApplication([])
    widget = MyWidget()
    widget.show()
    app.exec_()