mysql.connect-查询前5条记录

import mysql.connector
conn= mysql.connector.Connect(
    host=localhost,
    user=root,
    passwd=admin,
    database=testcode
)
print(1.,conn)
cmd = conn.cursor()  # 光标行
cmd=conn.cursor()
cmd.execute(select * from test)
print(5.,cmd.fetchmany(5))