with openmy_dicttxt r as f lines = freadlinesunique_lines = listsetlineswith opendicttxt w as f fwritelinesunique_lines报错UnicodeDecodeError gbk codec cant decode byte 0xb7 in position 8 illegal

这个错误通常是因为文件编码不匹配导致的。尝试使用不同的编码方式打开文件：

with open('my_dict.txt', 'r', encoding='utf-8') as f: lines = f.readlines()

unique_lines = list(set(lines))

with open('dict.txt', 'w', encoding='utf-8') as f: f.writelines(unique_lines)