python 字元串轉列表 list 出現\ufeff解決方法！

#文件內容  lisi
lock = open("lock_info.txt", "r+",encoding="utf-8")
lock_line = lock.readline()
lock_list = lock_line.split(",")
print(lock_list)

y = lock_line.encode('utf-8').decode('utf-8-sig')
print(y)

#列印結果如下
['\ufefflisi']
lisi