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  1. Prepare
  2. Python
  3. Collections
  4. Collections.OrderedDict()
  5. Discussions

Collections.OrderedDict()

  • ryan_a_gard
     + 0 comments
    from collections import OrderedDict

N = int(input())
items = OrderedDict()

for _ in range(N):
    item_name, net_price = input().rsplit(maxsplit=1)
    items[item_name] = items.get(item_name, 0) + int(net_price)

for item_name, net_price in items.items():
    print(f"{item_name} {net_price}")