1.{% set totalDeliveryTime = 0 %}
2.{% set countDeliveries = 0 %}
3.{% set averageDeliveryTime = 0 %}
4.{% for order in pastOrders %}
5. to--{{order.orderDeliveryTime}}--
6.{% set totalDeliveryTime = totalDeliveryTime + order.orderDeliveryTime %}
7.  td--{{totalDeliveryTime}}
8.{% set countDeliveries = countDeliveries + 1 %}
9.  tc--{{countDeliveries}}
10.{% endfor %}
11.  result--{{ totalDeliveryTime / countDeliveries }}

{% set ratingsSum = 0 %}
{% if pastOrders | length %}
{% for order in pastOrders %}
{% set ratingsSum = ratingsSum + order.orderDeliveryTime %}
{% endfor %}
{% set ratingAverage = ratingsSum / pastOrders | length %}
AverageTime:{{ratingAverage}}
{% endif %}