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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_text(self, text):
 """ The method insert text into the text buffer of the text view and preserves the cursor location. :param str text: which is insert into the text buffer. :return: """

        line_number, line_offset = self.get_cursor_position()
        self.get_buffer().set_text(text)
        self.set_cursor_position(line_number, line_offset)