下面的python 程序怎么输出窗口运行，python窗口,from PyQt5 i

下面的python 程序怎么输出窗口运行，python窗口,from PyQt5 i

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_MainWindow(object):

def setupUi(self, MainWindow):    MainWindow.setObjectName("MainWindow")    MainWindow.resize(472, 239)    self.centralwidget = QtWidgets.QWidget(MainWindow)    self.centralwidget.setObjectName("centralwidget")    self.pushButton = QtWidgets.QPushButton(self.centralwidget)    self.pushButton.setGeometry(QtCore.QRect(90, 130, 75, 23))    self.pushButton.setObjectName("pushButton")    self.timeEdit = QtWidgets.QTimeEdit(self.centralwidget)    self.timeEdit.setGeometry(QtCore.QRect(170, 60, 131, 41))    self.timeEdit.setObjectName("timeEdit")    self.label = QtWidgets.QLabel(self.centralwidget)    self.label.setGeometry(QtCore.QRect(240, 150, 191, 41))    self.label.setObjectName("label")    MainWindow.setCentralWidget(self.centralwidget)    self.statusbar = QtWidgets.QStatusBar(MainWindow)    self.statusbar.setObjectName("statusbar")    MainWindow.setStatusBar(self.statusbar)    self.menuBar = QtWidgets.QMenuBar(MainWindow)    self.menuBar.setGeometry(QtCore.QRect(0, 0, 472, 23))    self.menuBar.setObjectName("menuBar")    self.menu = QtWidgets.QMenu(self.menuBar)    self.menu.setObjectName("menu")    MainWindow.setMenuBar(self.menuBar)    self.action33 = QtWidgets.QAction(MainWindow)    self.action33.setObjectName("action33")    self.action_2 = QtWidgets.QAction(MainWindow)    self.action_2.setObjectName("action_2")    self.menu.addAction(self.action_2)    self.menuBar.addAction(self.menu.menuAction())    self.retranslateUi(MainWindow)    QtCore.QMetaObject.connectSlotsByName(MainWindow)def retranslateUi(self, MainWindow):    _translate = QtCore.QCoreApplication.translate    MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))    self.pushButton.setText(_translate("MainWindow", "PushButton"))    self.label.setText(_translate("MainWindow", "15454541"))    self.menu.setTitle(_translate("MainWindow", "菜单"))    self.action33.setText(_translate("MainWindow", "打开"))    self.action_2.setText(_translate("MainWindow", "打开"))

app = QtWidgets.QApplication(sys.argv)MainWindow = QtWidgets.QMainWindow()ui = Ui_MainWindow()ui.setupUi(MainWindow)MainWindow.show()sys.exit(app.exec_())

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