validar_str = QRegExpValidator(reg) letterInput.setValidator(validar_str) vertlical_Layout.addWidget(letterInput) #Drop Down Input dropDown = QComboBox() dropDown.addItem("Red") dropDown.addItem("Blue") dropDown.addItem("Green") dropDown.addItem("Yellow") dropDown.activated[str].connect(showItem) vertlical_Layout.addWidget(dropDown) #radio Button Groups radiobutton1 = QRadioButton("Red") radiobutton1.color = "Red" radiobutton1.toggled.connect(lambda: radioCheck(radiobutton1)) radiobutton2 = QRadioButton("Blue") radiobutton2.color = "Blue" radiobutton2.toggled.connect(lambda: radioCheck(radiobutton2)) radiobutton3 = QRadioButton("Green") radiobutton3.color = "Green" radiobutton3.toggled.connect(lambda: radioCheck(radiobutton3)) horizonatLayout = QHBoxLayout() horizonatLayout.addWidget(radiobutton1) horizonatLayout.addWidget(radiobutton2) horizonatLayout.addWidget(radiobutton3) groupBox1 = QGroupBox()