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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 __toString(self, values):
 		""" 		Will replace dict values with string values 		Args: 			values (dict):
 Dictionary of values 		Returns: 			Updated values dict 		"""

		for key in values:
			if not values[key] is str:
				values[key] = str(values[key])
		return values