def __read_data__(self, pos_samples, neg_samples):
        """
        input: same as target, but start with start_letter.
        """
        inp, target = self.prepare(pos_samples, neg_samples)
        all_data = [{'input': i, 'target': t} for (i, t) in zip(inp, target)]
        return all_data

        input: same as target, but start with start_letter.
        
utils/data_loader.py