Python Pyqt5 ile Hesap Makinası

from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from mainUI import *
from PyQt5.QtCore import *
import sys

# ----------------------UYGULAMA OLUŞTUR-------------------#
# ---------------------------------------------------------#
app = QApplication(sys.argv)
app.setStyle("Fusion")
winAna = QMainWindow()
ui = Ui_Calculator()
ui.setupUi(winAna)
winAna.show()

# -----------------------Hesap Makinası--------------------#
# ---------------------------------------------------------#
class mainCalcFunc(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)
        self.setWindowTitle('PyQt5 Calculator GUI')

        ui.lineEditCalc.setWordWrap(True)
        ui.lineEditCalc.setAlignment(Qt.AlignRight)
        ui.lineEditCalc.setFont(QFont('Arial', 120))

    def action_equal(self):
        equation = ui.lineEditCalc.text()
        try:
            ans = eval(equation)
            ui.lineEditCalc.setText(str(ans))
        except:
            ui.lineEditCalc.setText("Wrong Input")

    def mul(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "*")
    def sub(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "-")
    def add(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "+")
    def div(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "/")
    def clearAll(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText("")
    def clearLast(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text[:-1])
    def nokta(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + ".")

    def action1(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "1")

    def action2(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "2")

    def action3(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "3")

    def action4(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "4")

    def action5(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "5")

    def action6(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "6")

    def action7(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "7")

    def action8(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "8")

    def action9(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "9")

    def action0(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "0")

    def action00(self):
        text = ui.lineEditCalc.text()
        ui.lineEditCalc.setText(text + "00")

    ui.btnBolme.clicked.connect(div)
    ui.btnArti.clicked.connect(add)
    ui.btnCikarma.clicked.connect(sub)
    ui.btnCarpma.clicked.connect(mul)
    ui.btnEsittir.clicked.connect(action_equal)
    ui.btn1.clicked.connect(action1)
    ui.btn2.clicked.connect(action2)
    ui.btn3.clicked.connect(action3)
    ui.btn4.clicked.connect(action4)
    ui.btn5.clicked.connect(action5)
    ui.btn6.clicked.connect(action6)
    ui.btn7.clicked.connect(action7)
    ui.btn8.clicked.connect(action8)
    ui.btn9.clicked.connect(action9)
    ui.btn0.clicked.connect(action0)
    ui.btnCift0.clicked.connect(action00)
    ui.btnC.clicked.connect(clearAll)
    ui.btnCE.clicked.connect(clearLast)
    ui.btnVirgul.clicked.connect(nokta)

sys.exit(app.exec_())