Program Tampilan Menu Dengan Pindah Layer PyQt Designer Bahasa Python

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

# Form implementation generated from reading ui file 'menuutama.ui'
#
# Created by: PyQt5 UI code generator 5.13.0
#
# WARNING! All changes made in this file will be lost!


from PyQt5 import QtCore, QtGui, QtWidgets
from formpendaftaran import Ui_MainWindow2
from carimahasiswa import Ui_MainWindow3
from listmahasiswa import Ui_MainWindow4
import pymysql

class Ui_MainWindow(object):
    def pindahlayar (self):
        self.window = QtWidgets.QMainWindow()
        self.ui = Ui_MainWindow2()
        self.ui.setupUi(self.window)
        MainWindow.hide()
        self.window.show()
    def pindahlayar2 (self):
        self.window = QtWidgets.QMainWindow()
        self.ui = Ui_MainWindow3()
        self.ui.setupUi(self.window)
        MainWindow.hide()
        self.window.show()
    def pindahlayar3 (self):
        self.window = QtWidgets.QMainWindow()
        self.ui = Ui_MainWindow4()
        self.ui.setupUi(self.window)
        MainWindow.hide()
        self.window.show()
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(510, 303)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(180, 10, 161, 21))
        self.label.setObjectName("label")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(190, 60, 121, 23))
        self.pushButton.setObjectName("pushButton")
        self.pushButton.clicked.connect(self.pindahlayar)
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setGeometry(QtCore.QRect(190, 110, 121, 23))
        self.pushButton_2.setObjectName("pushButton_2")
        self.pushButton_2.clicked.connect(self.pindahlayar2)
        self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_3.setGeometry(QtCore.QRect(190, 160, 121, 21))
        self.pushButton_3.setObjectName("pushButton_3")
        self.pushButton_3.clicked.connect(self.pindahlayar3)
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 510, 21))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
        self.label.setText(_translate("MainWindow", "MENU UTAMA PENDAFTARAN "))
        self.pushButton.setText(_translate("MainWindow", "DAFTAR MAHASISWA"))
        self.pushButton_2.setText(_translate("MainWindow", "CARI MAHASISWA"))
        self.pushButton_3.setText(_translate("MainWindow", "LIHAT MAHASISWA"))


if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    MainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())