nearly_zeros rand u num_all_vowels load_shuffle_vector create_and_save_inputs load_extended_inputs create_and_save_shuffle_vector h5f generate_inputs split_number StringIO shuffle_inputs generator content, feature_dictionary create_feature_dictionary with read generate shuffle X_ create_dict split_content decode_position 'r' decode complete_feature_dict dictionary voiced_consonants 1486720239842 1492074623429