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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def on_focusout(self, event, a):
 		""" 		function that gets called whenever anywhere except entry is clicked 		"""

		if event.widget.get() == '':
			event.widget.insert(0, default_text[a])
			event.widget.config(fg = 'grey')