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

Collections.OrderedDict()

  • hellojeremyonly
     + 0 comments
    from collections import OrderedDict

n = int(input())
od = OrderedDict()

for _ in range(n):
    item = input().split()
    item_name = ' '.join(item[:-1])
    item_price = int(item[-1])
    if item_name in od:
        od[item_name] += item_price
    else:
        od[item_name] = item_price

for item in od:
    print(f'{item} {od[item]}')