skip cancelled orders

parse.py

@@ -56,6 +56,8 @@ def parse(filename: Union[str, Path]) -> Tuple[
     quest_answers = {id_: {} for id_ in questions}
 
     for order in data['orders']:
+        if order['status'] == 'c':  # skip cancelled orders
+            continue
         for position in order['positions']:
             item_id = position['item']
             count_items[item_id] += 1