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  1. items = {}
  2. for _ in range(int(input())):
  3. 	name, item, val = input().split()
  4. 	items.setdefault(name, {}).setdefault(item, 0)
  5. 	items[name][item] += int(val)
  6.  
  7. for name in sorted(items):
  8. 	print(name)
  9. 	for item in sorted(items[name]):
  10. 		print("\t", item, items[name][item])
Success #stdin #stdout 0.02s 9232KB
comments (?)
stdin
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5
b govno 10
a hui 1
a pizda 1
a hui 2
c mocha 100
stdout
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a
	 hui 3
	 pizda 1
b
	 govno 10
c
	 mocha 100
https://ideone.com/I5aEYD
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
secret

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