如何使用自动创建的值向表中添加1000行

import random
import string
import pymysql

# 连接数据库
conn = pymysql.connect(host='localhost', user='root', password='password', db='database_name')
cursor = conn.cursor()

# 循环添加1000行数据
for i in range(1000):
    # 生成随机值
    value1 = ''.join(random.choices(string.ascii_letters + string.digits, k=10))
    value2 = random.randint(1, 100)
    value3 = random.uniform(0, 1)

    # 构建插入语句
    sql = "INSERT INTO table_name (column1, column2, column3) VALUES (%s, %s, %s)"
    values = (value1, value2, value3)

    # 执行插入语句
    cursor.execute(sql, values)

# 提交事务并关闭连接
conn.commit()
conn.close()