python with database

import sqlite3
conn = sqlite3.connect('D:\\hskio_python.db')
try:
    info = []
    cur = conn.cursor()
    rows = cur.execute('select * from person')
    for row in rows:
        id = row[0]
        hei ght = row[2]
        weight = row[3]
        bmi = round(weight/height**2, 2)
        print(id, height, weight, bmi)
        info.append([bmi, id])
    for data in info:
        cur.execute('update person set bmi=%d where id=%d' % (data[0], data[1]))
    conn.commit()
    
finally:
    conn.close()