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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 before_content(self):
 """Called before parsing content. Push the class name onto the class name stack. Used to construct the full name for members. """

        ChapelObject.before_content(self)
        if self.names:
            self.env.temp_data['chpl:class'] = self.names[0][0]
            self.clsname_set = True