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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 readlines(self, hint=-1):
 """Read lines until EOF, and return them as a list. If *hint* is specified, then stop reading lines as soon as the total size of all lines exceeds *hint*. """

        self._check_readable()
        lines = []
        chunks = []
        bytes_read = 0
        while True:
            chunk = self._buffer.get_chunk(-1, b'\n')
            if not chunk:
                break
            chunks.append(chunk)
            if chunk.endswith(b'\n'):
                lines.append(b''.join(chunks))
                del chunks[:]
                bytes_read += len(lines[-1])
            if hint >= 0 and bytes_read > hint:
                break
        if chunks:
            lines.append(b''.join(chunks))
        if not lines and not self._buffer.eof and self._buffer.error:
            raise compat.saved_exc(self._buffer.error)
        return lines