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

Collections.OrderedDict()

  • neha_singh19aug
     + 0 comments
    from collections import OrderedDict

N=int(input())
od=OrderedDict()
for _ in range(N):
    line=input().split()
    item,price=' '.join(line[:-1]),int(line[-1])
    od[item]=od.get(item, 0)+int(price)

for item,price in od.items():
    print(item,price)