input: 
  from flask import Flask, render_template, request, redirect
  import sqlite3
  
  def save_form_data(name: str, email: str, phone: str) -> None:
      """Save form data (name, email, and phone) into an SQLite database.
      >>> save_form_data('John Doe', 'john@example.com', '1234567890')
      (Returns None, and the data is saved in the database)
      """
      
      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()