(self)
Return the size of the data stored in the file in bytes, or None if the concept doesn't make sense for the
        given file.
Return the size of the data stored in the file in bytes, or None if the concept doesn't make sense for the
        given file.
Return the size of the data stored in the file in bytes or None if the concept doesn t make sense for the given file .
def size(self):
        """
        Return the size of the data stored in the file in bytes, or None if the concept doesn't make sense for the
        given file.
        """
        raise NotImplementedError
def size ( self ) : raise NotImplementedError