A script to turn csv file into sqlite3 table

csv_to_sqlite3.py

#! /usr/local/bin/python3

import csv, sqlite3

class csv_2_sqlite:

    def __init__(self, file_name, db_name, table_name):
        self.file_name  = file_name 
        self.db_name = db_name
        self.table_name = table_name
        self.con = ""
        self.cur = ""
    
    def create_connection(self):
        self.con = sqlite3.connect( self.db_name )
        self.cur = self.con.cursor()

    def create_query(self,header):
        length = len(header)
        create_table_query = "CREATE TABLE "+ self.table_name + "(" + ','.join(header) + ");"
        values_query = ",".join([ "?" for _ in range(length)])
        insert_data_query = "INSERT INTO "+ self.table_name + "(" + ','.join(header) + ") VALUES(" + values_query + ");"

        return create_table_query, insert_data_query

    def read_csv(self):
        
        db_format = []
        header = []

        with open(self.file_name,'r') as raw_csv:
            csv_file = csv.DictReader(raw_csv)
            header = csv_file.fieldnames
            
            for key in csv_file:
                temp = tuple([(v) for _,v in key.items()])
                db_format.append(temp)
        
        return db_format, header
    
    def run(self):
        self.create_connection()
        db_format, header = self.read_csv()
        create_table_query, insert_data_query = self.create_query(header)
        self.cur.execute(create_table_query)
        self.cur.executemany(insert_data_query, db_format)
        self.con.commit()
        self.con.close()

def main():
    file_name = [file_name.csv]
    db_name = [db_name.db]
    table_name = [table_name]
    csv_2_sqlite(file_name, db_name, table_name).run()

if __name__ == "__main__":
    main()