i have created two widgets and im now trying to add them together my code will be displayed below, im using python and qt. Im stuck can anyone help?

from PySide2 import QtCore, QtGui, QtWidgets

class Ui_MainWindow(object):


def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(939, 480)
MainWindow.setStyleSheet("background-color: rgb(255, 255, 255);")
self.centralWidget = QtWidgets.QWidget(MainWindow)
self.centralWidget.setStyleSheet("QPushButton{\n"
"background-color: rgb(255, 255, 255);\n"
"border: 1px solid grey;\n"
"}\n"
"\n"
"QPushButton:hover{\n"
"background-color:rgb(200, 200, 200);\n"
"}\n"
"\n"
"QPushButtonressed {\n"
" background-color: grey;\n"
"}")
self.centralWidget.setObjectName("centralWidget")
self.verticalLayout = QtWidgets.QVBoxLayout(self.centralWidget)
self.verticalLayout.setSpacing(0)
self.verticalLayout.setContentsMargins(0, 0, 0, 0)
self.verticalLayout.setObjectName("verticalLayout" )
self.splitter_2 = QtWidgets.QSplitter(self.centralWidget)
self.splitter_2.setOrientation(QtCore.Qt.Horizonta l)
self.splitter_2.setObjectName("splitter_2")
self.Jodies_Widget = QtWidgets.QWidget(self.splitter_2)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Prefer red, QtWidgets.QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.Jodies_Widget.si zePolicy().hasHeightForWidth())
self.Jodies_Widget.setSizePolicy(sizePolicy)
self.Jodies_Widget.setMinimumSize(QtCore.QSize(200 , 100))
self.Jodies_Widget.setStyleSheet("background-color: rgb(200, 200, 200);\n"
"border: 3px solid grey;")
self.Jodies_Widget.setObjectName("Jodie Widget")

self.tabWidget = QtWidgets.QTabWidget(self.splitter_2)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expand ing, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.tabWidget.sizePo licy().hasHeightForWidth())
self.tabWidget.setSizePolicy(sizePolicy)
self.tabWidget.setMinimumSize(QtCore.QSize(0, 0))
self.tabWidget.setStyleSheet("")
self.tabWidget.setTabBarAutoHide(False)
self.tabWidget.setObjectName("tabWidget")
self.tab_1 = QtWidgets.QWidget()
self.tab_1.setObjectName("tab_1")
self.gridLayout = QtWidgets.QGridLayout(self.tab_1)
self.gridLayout.setObjectName("gridLayout")
self.verticalLayout_2 = QtWidgets.QVBoxLayout()
self.verticalLayout_2.setObjectName("verticalLayou t_2")
self.label_33 = QtWidgets.QLabel(self.tab_1)
self.label_33.setStyleSheet("")
self.label_33.setObjectName("label_33")
self.verticalLayout_2.addWidget(self.label_33)
self.label_34 = QtWidgets.QLabel(self.tab_1)
self.label_34.setObjectName("label_34")
self.verticalLayout_2.addWidget(self.label_34)
self.gridLayout.addLayout(self.verticalLayout_2, 1, 1, 1, 1)
spacerItem = QtWidgets.QSpacerItem(274, 156, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.gridLayout.addItem(spacerItem, 0, 1, 1, 1)
spacerItem1 = QtWidgets.QSpacerItem(147, 44, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.gridLayout.addItem(spacerItem1, 1, 0, 1, 1)
spacerItem2 = QtWidgets.QSpacerItem(146, 44, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.gridLayout.addItem(spacerItem2, 1, 2, 1, 1)
spacerItem3 = QtWidgets.QSpacerItem(274, 156, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.gridLayout.addItem(spacerItem3, 2, 1, 1, 1)
self.tabWidget.addTab(self.tab_1, "")
self.tab_2 = QtWidgets.QWidget()
self.tab_2.setObjectName("tab_2")
self.gridLayout_2 = QtWidgets.QGridLayout(self.tab_2)
self.gridLayout_2.setObjectName("gridLayout_2")
self.splitter = QtWidgets.QSplitter(self.tab_2)
self.splitter.setOrientation(QtCore.Qt.Vertical)
self.splitter.setObjectName("splitter")
self.layoutWidget = QtWidgets.QWidget(self.splitter)
self.layoutWidget.setObjectName("layoutWidget")
self.horizontalLayout_8 = QtWidgets.QHBoxLayout(self.layoutWidget)
self.horizontalLayout_8.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout_8.setObjectName("horizontalL ayout_8")
spacerItem4 = QtWidgets.QSpacerItem(31, 19, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_8.addItem(spacerItem4)
self.label_35 = QtWidgets.QLabel(self.layoutWidget)
self.label_35.setStyleSheet("")