#!/usr/bin/env python
from __future__ import print_function
import pymysql
conn = pymysql.connect(host='localhost', port=3306, user='secrola', passwd='weida402144', db='mysql')
cur = conn.cursor()
cur.execute("SELECT Host,User FROM user")
print(cur.description)
print()
for row in cur:
    print(row)
cur.close()
conn.close()