python 读取txt文件报错，Unexpected UTF-8 BOM (decode using utf-8-sig)

原因：txt包含BOM字符

处理办法有三种。

一、可通过NotePad 将Txt 文档修改为UTF-8 Without BOM

二、python脚本，读取txt文件时，encoding="utf-8-sig"

file_path = "E:/国际化/"
with open(file_path + "English.txt", encoding="utf-8-sig") as obj_file:
    english_content = obj_file.read()

三、将BOM头去掉

file_path = "E:/国际化/"
with open(file_path + "English.txt", encoding="utf-8") as obj_file:
    english_content = obj_file.read()
    # print(english_content)
    if english_content.startswith(u'/ufeff'):
        english_content = dict_english.encode('utf8')[3:].decode('utf8')