0
です。
from tkinter import*
class ListButtons(object):
def _init_(self,master):
frame = frame(master)
frame.pack()
self.printButton = Button(frame,text = 'print button',command = printMessage)
self.printButton.pack(side = LEFT)
self.quitButton =Button(frame,text = 'exit',command = frame.quit)
self.printButton.pack(side = LEFT)
def printMessage(self):
print ('this actually worked')
root = Tk()
b = ListButtons(root) #I get error object does not take any parameter#when I remove the root I get attribute error
root.mainloop()