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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 combobox_activated(self):
 """Move the cursor to the selected definition."""

        sender = self.sender()
        data = sender.itemData(sender.currentIndex())

        if isinstance(data, FoldScopeHelper):
            self.editor.go_to_line(data.line + 1)