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

  • daniel_szhm
     + 4 comments

    You can remove one more line by doing the print in 1 line:

    from collections import OrderedDict
D = OrderedDict()
for _ in range(int(input())):
    item, space, price = input().rpartition(' ')
    D[item] = D.get(item, 0) + int(price)
print(*[" ".join([item, str(price)]) for item, price in D.items()], sep="\n")