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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 getscript(self, name):
 """Download a script from the server See MANAGESIEVE specifications, section 2.9 :param name: script's name :rtype: string :returns: the script's content on succes, None otherwise """

        code, data, content = self.__send_command(
            "GETSCRIPT", [name.encode("utf-8")], withcontent=True)
        if code == "OK":
            lines = content.splitlines()
            if self.__size_expr.match(lines[0]) is not None:
                lines = lines[1:]
            return u"\n".join([line.decode("utf-8") for line in lines])
        return None