PYQT 클릭시마다 +1 출력하게 만들기

화면단 

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>748</width>
    <height>602</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QPushButton" name="pb">
    <property name="geometry">
     <rect>
      <x>240</x>
      <y>90</y>
      <width>75</width>
      <height>23</height>
     </rect>
    </property>
    <property name="text">
     <string>increase</string>
    </property>
   </widget>
   <widget class="QLineEdit" name="le">
    <property name="geometry">
     <rect>
      <x>40</x>
      <y>100</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
    <property name="text">
     <string>100</string>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>748</width>
     <height>21</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <resources/>
 <connections/>
</ui>

 

 

import sys
from PyQt5.QtWidgets import *
from PyQt5 import uic

form_class = uic.loadUiType("main02.ui")[0]


class WindowClass(QMainWindow, form_class) :
    def __init__(self) :
        super().__init__()
        self.setupUi(self)
        self.pb.clicked.connect(self.myclick)
        
    def myclick(self):
        # print(self.le.text())
        a = self.le.text()
        num = int(a)
        num += 1
        self.le.setText(str(num))
        
        
        
if __name__ == "__main__" :
    #QApplication : 프로그램을 실행시켜주는 클래스
    app = QApplication(sys.argv) 
    #WindowClass의 인스턴스 생성
    myWindow = WindowClass() 
    #프로그램 화면을 보여주는 코드
    myWindow.show()
    #프로그램을 이벤트루프로 진입시키는(프로그램을 작동시키는) 코드
    app.exec_()

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