Save text from Tk widget?

[Steve]

I have a function inside my main class to open a file in a ScrolledText
widget.
The default Windoze key bindings work for simple text editing, so I
added
a save function, but I declare a global variable to get the widget
contents to the save function.  There must be a better way?


	def viewDict(self):
		new = Toplevel()
		global zd
		zd = ScrolledText(new, height = 30, width = 70)
		zd.pack(fill=BOTH, expand=YES)
		zd.insert('0.0', open('c:/mytools/mydict.py', 'r').read())
		Button(new, text='Save', fg='red', command=self.saveDict).pack()

	def saveDict(self):
		contents = zd.get(1.0, END)
		output = open('c:/mytools/mydict.py', 'w')
		output.write(contents)
		output.close()