second.py

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'secondwindow.ui'
#
# Created by: PyQt5 UI code generator 5.6
#
# WARNING! All changes made in this file will be lost!

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_Form(object):
    def setupUi(self, Form):
        Form.setObjectName("Form")
        Form.resize(619, 443)
        self.verticalLayout_2 = QtWidgets.QVBoxLayout(Form)
        self.verticalLayout_2.setObjectName("verticalLayout_2")
        self.verticalLayout = QtWidgets.QVBoxLayout()
        self.verticalLayout.setObjectName("verticalLayout")
        self.label = QtWidgets.QLabel(Form)
        font = QtGui.QFont()
        font.setPointSize(30)
        font.setBold(True)
        font.setUnderline(True)
        font.setWeight(75)
        self.label.setFont(font)
        self.label.setAlignment(QtCore.Qt.AlignCenter)
        self.label.setObjectName("label")
        self.verticalLayout.addWidget(self.label)
        self.exitbtn = QtWidgets.QPushButton(Form)
        self.exitbtn.setObjectName("exitbtn")
        self.verticalLayout.addWidget(self.exitbtn)
        self.verticalLayout_2.addLayout(self.verticalLayout)

        self.retranslateUi(Form)
        QtCore.QMetaObject.connectSlotsByName(Form)
        # lambda is used when passing extra arg in the method
        self.exitbtn.clicked.connect(lambda:self.closescr(Form))
        
    def closescr(self,Form):
        # hide the screen on exit btn clicked
        Form.hide() 
           
    def retranslateUi(self, Form):
        _translate = QtCore.QCoreApplication.translate
        Form.setWindowTitle(_translate("Form", "Form"))
        self.label.setText(_translate("Form", "Second Screen"))
        self.exitbtn.setText(_translate("Form", "Exit"))