input: from typing import List
  
  def create_and_read_users_api(description: str) -> None:
      """ Implement a REST API in Python using Flask and MySQL for creating and reading users. The API should 
      have endpoints for creating a user, reading all users, and reading a single user.
      >>> create_and_read_users_api("Below is an instruction that describes a task. Write a response that appropriately completes the request.")
      None
      """
output:     
      from flask import Flask, request, jsonify
      import mysql.connector
  
      app = Flask(__name__)
  
      # MySQL connection setup
      db = mysql.connector.connect(
          host="localhost",
          user="yourusername",
          password="yourpassword",
          database="yourdatabase"
      )
  
      cursor = db.cursor()
  
      @app.route('/create_user', methods=['POST'])
      def create_user():
          data = request.json
          name = data['name']
          email = data['email']
          cursor.execute("INSERT INTO users (name, email) VALUES (%s, %s)", (name, email))
          db.commit()
          return jsonify({"message": "User created successfully"}), 201
  
      @app.route('/get_users', methods=['GET'])
      def get_users():
          cursor.execute("SELECT * FROM users")
          users = cursor.fetchall()
          user_list = []
          for user in users:
              user_dict = {"id": user[0], "name": user[1], "email": user[2]}
              user_list.append(user_dict)
          return jsonify(user_list), 200
  
      @app.route('/get_user/<int:user_id>', methods=['GET'])
      def get_user(user_id):
          cursor.execute("SELECT * FROM users WHERE id = %s", (user_id,))
          user = cursor.fetchone()
          if user:
              user_dict = {"id": user[0], "name": user[1], "email": user[2]}
              return jsonify(user_dict), 200
          else:
              return jsonify({"message": "User not found"}), 404
  
      if __name__ == '__main__':
          app.run(debug=True)
  