input: 
  from flask import Flask, render_template, request, redirect
  import sqlite3
  
  def submit_form(name: str, email: str, phone: str) -> None:
      """Submit a form with name, email, and phone data to store it in a SQLite database.
      
      >>> submit_form('John Doe', 'john@example.com', '123-456-7890')
      (No return value)
      >>> # Data should be stored in the SQLite database 'data.db'
      """
  
output:     conn = sqlite3.connect('data.db')
      cursor = conn.cursor()
      cursor.execute('''
          CREATE TABLE IF NOT EXISTS contacts (
              id INTEGER PRIMARY KEY AUTOINCREMENT,
              name TEXT NOT NULL,
              email TEXT NOT NULL,
              phone TEXT NOT NULL
          )
      ''')
      cursor.execute('''
          INSERT INTO contacts (name, email, phone)
          VALUES (?, ?, ?)
      ''', (name, email, phone))
      conn.commit()
      conn.close()