ordersMap = ordersFiltered. \
map(lambda o: (int(o.split(",")[0]), o.split(",")[1]))
orderItemsMap = orderItems. \
map(lambda oi:
     (int(oi.split(",")[1]), (int(oi.split(",")[2]), float(oi.split(",")[4])))
   )

ordersJoin = ordersMap.join(orderItemsMap)
ordersJoinMap = ordersJoin. \
map(lambda o: ((o[1][0], o[1][1][0]), o[1][1][1]))