How can I pass arguments to Tkinter button's callback command?

Question

I got 2 buttons, respectively named \'ButtonA\', \'ButtonB\'. I want the program to print \'hello, ButtonA\' and \'hello, ButtonB\' if any button is clicked. My code is as f

Answer 1

This should work:

...
btnaText='ButtonA'
btna = Button(root, text = btnaText, command = lambda: sayHi(btnaText))
btna.pack()

For more information take a look at Tkinter Callbacks

Answer 2

text is not a function in your case. Just have it as:

value = 'ButtonA'
btna = Button(root, text = value, command = lambda: sayHi(value))

And you will get that working.