text: from flask import Blueprint, render_template
  from flask_login import login_required, current_user
  
  main = Blueprint('main', __name__)
  
  
  @main.route('/')
  def index():
      return render_template('index.html')
  
  
  @main.route('/profile')
  @login_required
  def profile():
      return render_template('profile.html', name=current_user.name)
  