def contract_str():index = 8db_size = 8new_table_name = 'b''_'+str(index & (db_size-1))print new_table_name

ImportError: No module named mysql.connector

import mysql.connector as sql_connector

Python保存时提示“SyntaxError: Non-ASCII character '\xe8' in file”

# -*- coding: utf-8 -*-

 

 

IOError: [Errno 21] Is a directory: 'logs/a/a'

没有指定文件或目录名称

logging自定义

https://cloud.tencent.com/developer/article/1354396

 

判断文件是否存在的方法

https://www.cnblogs.com/jhao/p/7243043.html

 

python获取同级文件夹名

os.path.join(os.path.dirname(os.getcwd()), dir_path)

 

python 中的循环

for a in rang(10):

python 中join的用法

https://www.cnblogs.com/jsplyy/p/5634640.html

 

python 中数字转字符串

https://www.cnblogs.com/stuqx/p/7291920.html