text: from tkinter import Tk, Label
  from converter import Converter 
  class Win(Tk):
      def __init__(self):
  
          Tk.__init__(self, None, None)
          self.wm_title('Tk')
          self.km = 100
          self.convertor = Converter()
          
  
          self.label = Label(self, text = 'km:   ' + str(self.km)).grid(row=0)
          self.label = Label(self, text = 'miles:    ' + format(self.convertor.get_miles_from_km(100), '.2f')).grid(row=1)
  
          
          self.mainloop()    
          
  