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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 edit_encoding(cls, parent):
 """ Static helper method that shows the encoding editor dialog If the dialog was accepted the new encodings are added to the settings. :param parent: parent widget :return: True in case of succes, False otherwise """

        dlg = cls(parent)
        if dlg.exec_() == dlg.Accepted:
            settings = Cache()
            settings.preferred_encodings = dlg.get_preferred_encodings()
            return True
        return False