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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 discard(self, element):
 """ Removes an element from the set. .. note: You may remove elements from the set that are not present, but a context from the server is required. :param element: the element to remove :type element: str """

        _check_element(element)
        self._require_context()
        self._removes.add(element)