input: 
  from flask import Flask, render_template, request, redirect
  import sqlite3
  
  def submit_form_data(name: str, email: str, phone: str) -> None:
      """
      Submits form data containing name, email, and phone to a database.
      
      >>> submit_form_data('John Doe', 'john.doe@example.com', '123-456-7890')
      
      """
      conn = sqlite3.connect('data.db')
      cur = conn.cursor()
      
      cur.execute("INSERT INTO data (name, email, phone) VALUES (?, ?, ?)", (name, email, phone))
      conn.commit()
      
      conn.close()
  
output:     conn = sqlite3.connect('data.db')
      cur = conn.cursor()
      
      cur.execute("INSERT INTO data (name, email, phone) VALUES (?, ?, ?)", (name, email, phone))
      conn.commit()
      
      conn.close()