input: 
  from flask import Flask, render_template, request, redirect
  import sqlite3
  
  def submit_form_data(conn: sqlite3.Connection, name: str, email: str, phone: str) -> None:
      """ Submits form data including name, email, and phone to a SQLite database.
      The function connects to the database, executes an INSERT query, and commits 
      the changes.
      >>> conn = sqlite3.connect('data.db')
      >>> submit_form_data(conn, 'John Doe', 'john.doe@example.com', '123-456-7890')
      >>> cur = conn.cursor()
      >>> cur.execute("SELECT * FROM data WHERE name='John Doe'")
      >>> row = cur.fetchone()
      >>> row[1] == 'john.doe@example.com' and row[2] == '123-456-7890'
      True
      >>> conn.close()
      """
      cur = conn.cursor()
      cur.execute("INSERT INTO data (name, email, phone) VALUES (?, ?, ?)", (name, email, phone))
      conn.commit()
  
output:     cur = conn.cursor()
      cur.execute("INSERT INTO data (name, email, phone) VALUES (?, ?, ?)", (name, email, phone))
      conn.commit()