import sqlite3
from typing import List, Tuple

class DatabaseConnection:
    def __init__(self, db_name: str):
        self.conn = sqlite3.connect(db_name)
        self.cursor = self.conn.cursor()

    def close_connection(self):
        self.conn.close()

    def execute_query(self, query: str, params: Tuple = None):
        if params:
            self.cursor.execute(query, params)
        else:
            self.cursor.execute(query)
        self.conn.commit()

    def execute_query_with_return(self, query: str, params: Tuple = None):
        if params:
            self.cursor.execute(query, params)
        else:
            self.cursor.execute(query)
        return self.cursor.fetchall()