python 调用数据库

import MySQLdb   conn = MySQLdb.connect(host='127.0.0.1',user='root',passwd='19950801',db='rlp')     #开门print conn                  #链接状态cur = conn.cursor() #伸出手recount = cur.execute('select * from user')data = cur.fetchall()cur.close()         #伸回手conn.close()        #关门print recount           #影响行数print data              #操作输出