回答編集履歴
2
間違い
test
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言語を間違いました。
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from collections import Counter
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l=[["red","apple",50],["blue","grape",110],["red","remon",20],["red","apple",100],["yellow","banana",30]]
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counter = Counter()
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for k,v,i in l:
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counter[k,v] += int(i)
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print(counter)
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```
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修正
test
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```python
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from operator import itemgetter
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from collections import Counter
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