text: from .cart import Cart
  
  def cart_total_amount(request):
  	if request.user.is_authenticated:
  		cart = Cart(request)
  		total_bill = 0.0
  		for key,value in request.session['cart'].items():
  			total_bill = total_bill + (float(value['price']) * value['quantity'])
  		return {'cart_total_amount' : total_bill} 
  	else:
  		return {'cart_total_amount' : 0} 