这个账算得真的准确吗？
安先生给记者粗算了一笔账。[{'character': '安', 'pinyin': 'an1', 'highest pitch': 11.6, 'lowest pitch': 9.46, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '先', 'pinyin': 'xian1', 'highest pitch': 11.43, 'lowest pitch': 8.85, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng5', 'highest pitch': 9.25, 'lowest pitch': 7.01, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '给', 'pinyin': 'gei3', 'highest pitch': 8.01, 'lowest pitch': 5.79, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '记', 'pinyin': 'ji4', 'highest pitch': 8.29, 'lowest pitch': 5.79, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 7.19, 'lowest pitch': 5.86, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'character': '粗', 'pinyin': 'cu1', 'highest pitch': 9.86, 'lowest pitch': 5.91, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '算', 'pinyin': 'suan4', 'highest pitch': 10.4, 'lowest pitch': 8.27, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 8.27, 'lowest pitch': 7.72, 'duration': 0.06, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 8.66, 'lowest pitch': 7.83, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '笔', 'pinyin': 'bi3', 'highest pitch': 6.88, 'lowest pitch': 4.8, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '账', 'pinyin': 'zhang4', 'highest pitch': 10.38, 'lowest pitch': 7.51, 'duration': 0.28, 'prosody hierarchy': '#4'}]