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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 delete(self, count=1):
 """ Delete specified number of characters and Return the deleted text. """

        if self.cursor_position < len(self.text):
            deleted = self.document.text_after_cursor[:count]
            self.text = self.text[:self.cursor_position] + \
                self.text[self.cursor_position + len(deleted):]
            return deleted
        else:
            return ''