menuExample.py

import sys
from PyQt5.QtWidgets import QMainWindow, QApplication, QWidget, QPushButton, QAction
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import pyqtSlot
 
class App(QMainWindow):
 
    def __init__(self):
        super().__init__()
        self.title = 'PyQt5 menu - pythonspot.com'
        self.left = 40
        self.top = 40
        self.width = 1640
        self.height = 700
        self.initUI()
 
    def initUI(self):
        self.setWindowTitle(self.title)
        self.setGeometry(self.left, self.top, self.width, self.height)
 
        mainMenu = self.menuBar() 
        fileMenu = mainMenu.addMenu('File')
        editMenu = mainMenu.addMenu('Edit')
        viewMenu = mainMenu.addMenu('View')
        searchMenu = mainMenu.addMenu('Search')
        toolsMenu = mainMenu.addMenu('Tools')
        helpMenu = mainMenu.addMenu('Help')
 
        exitButton = QAction('Exit', self)
        exitButton.setShortcut('Ctrl+Q')
        exitButton.setStatusTip('Exit application')
        exitButton.triggered.connect(self.close)
        fileMenu.addAction(exitButton)
        '''----------------------------------------------'''
        exitButton1 = QAction('edit', self)
        exitButton1.setShortcut('Ctrl+M')
        exitButton1.setStatusTip('edit application')
        exitButton1.triggered.connect(self.on_click1)
        helpMenu.addAction(exitButton1)
        self.show()
    @pyqtSlot()
    def on_click1(self):
       print('PyQt5 button click')
 
if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = App()
    sys.exit(app.exec_())