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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 get_selected_text(self):

 """
 Return text selected by current text cursor, converted in unicode
 
 Replace the unicode line separator character \u2029 by
 the line separator characters returned by get_line_separator
 """

        return to_text_string(self.textCursor().selectedText()).replace(u"\u2029",
                                                     self.get_line_separator())