text: from flask import Flask, render_template, redirect, url_for, request
  from carrier import Carrier
  
  CARRIERS = []
  IDENTITY = 0
  
  app = Flask(__name__)
  
  @app.route("/", methods=["GET", "POST"])
  def carriers_page():
  	if request.method == "POST":
  		carrier_name = request.form.get("name", "")
  		global IDENTITY
  		IDENTITY += 1
  		carrier = Carrier(name = carrier_name, _id = IDENTITY)
  		CARRIERS.append(carrier)
  
  		return redirect(url_for("carriers_page"))
  
  	return render_template("index.html", carriers = CARRIERS)
  
  if __name__ == "__main__":
  	app.run(debug=True)
  