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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 decode(self, content, apple_fix=False):
 """ Decode content using the set charset. :param content: content do decode :param apple_fix: fix Apple txdata bug :return: decoded (and fixed) content """

        content = content.decode(self.encoding)
        content = content.replace('\r', '')

        if apple_fix:
            content = apple_data_fix(content)

        return content