Tkinter question

[Nicholas.Vaidyanathan at aps.com]

I'm sure there must be a way to do this, but I can't figure it out for
the life of me... I'm writing a program where I would like to use a
button's text field as part of an if statement. I set up my button like
this:

 i = [ "7", "8","9", "/", "4", "5", "6", "*", "1", "2", "3", "-", "0",
".", "=", "+"]
 t = 0   #iterator through the sequence

for x in range(4):
            for y in range(4):
                self.buttonx = Button(self, text = "%s" %i[t] ,
width=10, command = self.pressed)
                self.buttonx.grid( row=x+1, column = y, sticky = W+E+S)
                t+=1

What I would like to do is is check which buttons' text values are
digits, and if the text is, I would like to append the number to a
label. But:

if(self.buttonx.title.isdigit):

Doesn't work. How do I access the button's text field?

Thanks!

"MMS <apsc.com>" made the following annotations.
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