import sqlite3

class Database:
    def __init__(self, database_file):
        self.db = sqlite3.connect(database_file)

    def select(self, index):
        # Query the database for the specified index
        cursor = self.db.cursor()
        query = "SELECT name, address FROM people WHERE id = ?"
        cursor.execute(query, (index,))
        result = cursor.fetchone()
        if result:
            return result
        else:
            return None

    def insert(self, name, address):
        # Insert new entry into the database
        cursor = self.db.cursor()
        query = "INSERT INTO people (name, address) VALUES (?, ?)"
        cursor.execute(query, (name, address))
        self.db.commit()