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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 append(self, value):
 """Write the value into the file. Keyword arguments: value -- value to be writen (tuple) """

        # Pack value
        data = self.pack(value)

        # End of file
        self.__file.seek(0, 2)

        # Write packed value
        self.__file.write(data)