list counter

listCounter.py

import random


class ItemInfo:
    def __init__(self, place=0, amount=0):
        self.place = place
        self.amount = amount

    def __repr__(self):
        return '{0}: {1}'.format(self.place, self.amount)


def count_by_place(items: [ItemInfo]):
    counted_items = {}

    for item in items:
        if item.place not in counted_items:
            counted_items[item.place] = 0

        counted_items[item.place] += item.amount

    return counted_items


item_list = []
for i in range(5):
    item_list.append(
        ItemInfo(
            random.randint(1, 3),
            random.randint(4, 5)
        )
    )

print(item_list)
print(count_by_place(item_list))