python解决不同编码带来的困惑

'''
1.识别文件的编码格式
2.使用识别结果的编码格式打开文件就OK啦
'''
import chardet


encoding = chardet.detect(open(file_path, 'rb').read())['encoding']
with open(csv_file, 'r', encoding=encoding) as r:
  print(r.read())
  print(encoding)