import mysql.connector

conn = mysql.connector.connect(user="root",password='password',
       host='localhost',database='library',port='3306')
cur = conn.cursor()


def create_table():
    cur.execute("CREATE TABLE IF NOT EXISTS store
               (id INT PRIMARY KEY, item VARCHAR(25), quantity INT, price REAL);")
    conn.commit()
    conn.close()


def insert(id, item, quantity, price):
    cur.execute("INSERT INTO store (id, quantity, price, item)
                VALUES (%s, %s, %s, %s)" % (id, item, quantity, price))
    conn.commit()
    conn.close()



insert(50, 'test', 20, 10)

Traceback (most recent call last):
      File "C:Program FilesPython36libsite-
packagesmysqlconnectorconnection_cext.py", line 392, in cmd_query
        raw_as_string=raw_as_string)
    _mysql_connector.MySQLInterfaceError: Unknown column 'test' in 'field list'

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "C:UsersAcerDesktopRemastered.py", line 128, in <module>
        insert(50, 'test', 20, 10)
      File "C:UsersAcerDesktopRemastered.py", line 109, in insert
        cur.execute("INSERT INTO store (id, quantity, price, item) VALUES (%s, %s, %s, %s)" % (id, item, quantity, price))
      File "C:Program FilesPython36libsite-packagesmysqlconnectorcursor_cext.py", line 266, in execute
        raw_as_string=self._raw_as_string)
      File "C:Program FilesPython36libsite-packagesmysqlconnectorconnection_cext.py", line 395, in cmd_query
        sqlstate=exc.sqlstate)
    mysql.connector.errors.ProgrammingError: 1054 (42S22): Unknown column 'test' in 'field list'
    [Finished in 0.8s with exit code 1]