import mysql.connector

mydb = mysql.connector.connect(
    host="localhost",
    user="root",
    password="",
    database="WebApp_DB"
)
myc = mydb.cursor()
sql_formula = 'INSERT INTO korisnik (ID, name) VALUES (NULL, %s);'
myc.execute(sql_formula, (name,))
mydb.commit()
mydb.close()