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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 set_value_for_key(self, key, value):
 """Set the value of key to value. :param key: The key. :type key: str :param value: The value to be assigned. :type value: list, float, int """

        if key in self.options:
            self.options[key]['value'] = value