text: '''
  Created on Mar 8, 2019
  @author: Burkhard A. Meier
  '''
  
  
  
  
  import sys
  from PyQt5 import QtWidgets
  from Section3.Designer_code.Video3_First_Design import Ui_MainWindow
  
  
  class RunDesignerGUI():
  
      def __init__(self):
          app = QtWidgets.QApplication(sys.argv)
          self.MainWindow = QtWidgets.QMainWindow()
          
          self.ui = Ui_MainWindow()                           
          self.ui.setupUi(self.MainWindow)
          
          self.update_widgets()
          
          self.MainWindow.show()
          sys.exit(app.exec_())
      
   
      def update_widgets(self):
          self.MainWindow.setWindowTitle('PyQt5 GUI')         # use: self.MainWindow
          self.ui.pushButton.setText('New Button text')       # use: self.ui to access widgets
  
   
  if __name__ == "__main__":
      RunDesignerGUI()   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  