text: from flask import Flask, render_template, request, jsonify
  import atexit
  import os
  import json
  
  app = Flask(__name__, static_url_path='')
  port = int(os.getenv('PORT', 8000))
  
  def fibonacci(n):
      if n > 2222:
          n = 2222
      n_menos_2 = 0
      n_menos_1 = 0
      actual = 1
      for i in range(0,n):
          n_menos_2 = n_menos_1
          n_menos_1 = actual
          actual = n_menos_1 + n_menos_2
      return str(actual)
  
  def fibonacci_sequence(n):
      res = []
      for i in range(0,n):
          res.append(fibonacci(i))
      return jsonify({'res':res})
  
  @app.route('/<int:n>')
  def index(n):
      x = fibonacci(n)
      return x
  
  @app.route('/sequence/<int:n>')
  def sequence(n):
      res = fibonacci_sequence(n)
      return res
  
  if __name__ == '__main__':
      app.run(host='0.0.0.0', port=port, debug=True)
  