Как нарисовать график

from PyQt5 import QtCore, QtGui, QtWidgets
 
 
class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(1046, 851)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.widget = QtWidgets.QWidget(self.centralwidget)
        self.widget.setGeometry(QtCore.QRect(40, 31, 971, 631))
        self.widget.setObjectName("widget")
        self.horizontalLayout = QtWidgets.QHBoxLayout(self.widget)
        self.horizontalLayout.setContentsMargins(0, 0, 0, 0)
        self.horizontalLayout.setObjectName("horizontalLayout")
        self.mplwindow = QtWidgets.QWidget(self.widget)
        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Maximum)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.mplwindow.sizePolicy().hasHeightForWidth())
        self.mplwindow.setSizePolicy(sizePolicy)
        self.mplwindow.setMaximumSize(QtCore.QSize(1110, 800))
        self.mplwindow.setObjectName("mplwindow")
        self.horizontalLayout.addWidget(self.mplwindow)
        self.mplfigs = QtWidgets.QListWidget(self.widget)
        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Minimum)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.mplfigs.sizePolicy().hasHeightForWidth())
        self.mplfigs.setSizePolicy(sizePolicy)
        self.mplfigs.setMinimumSize(QtCore.QSize(75, 500))
        self.mplfigs.setMaximumSize(QtCore.QSize(300, 1000))
        self.mplfigs.setObjectName("mplfigs")
        self.horizontalLayout.addWidget(self.mplfigs)
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 1046, 26))
        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"))
 
 
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_())

import sys
import numpy as np
from PyQt5 import QtWidgets
from PyQt5.QtWidgets import QMainWindow
 
from matplotlib.figure import Figure
from matplotlib.backends.backend_qt5agg import (
    FigureCanvasQTAgg as FigureCanvas,
    NavigationToolbar2QT as NavigationToolbar)
from graphic4 import Ui_MainWindow
 
class Main(QMainWindow, Ui_MainWindow):
    def __init__(self, ):
        super(Main, self).__init__()
        self.setupUi(self)
 
    def addmpl(self, fig):
        self.canvas = FigureCanvas(fig)
        self.canvas.draw()
 
if __name__ == '__main__':
    fig1 = Figure()
    ax1f1 = fig1.add_subplot(111)
    ax1f1.plot(np.random.rand(5))
 
    app = QtWidgets.QApplication(sys.argv)
    main = Main()
    main.addmpl(fig1)
    main.show()
    sys.exit(app.exec_())