python 操作pymysql 添加json数据

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import pymysql
def insert_sql(sql):
    eng = pymysql.connect(host='123.56.2.32', user='root', password='123456', port=3306,db = 'my_f')
    cursor = eng.cursor()
    cursor.execute(sql)
    # data = cursor.fetchone()
    # data = cursor.fetchall()se
    eng.commit()
    eng.close()
    return True
import json
data=json.dumps({"username":"admin","passwork":"admin"})
print(data)
ex_sql="insert into task(data_,name) values ('%s','123456')"%data # json 字段 name 其他字段
insert_sql(ex_sql)