回答編集履歴
4
修正
test
CHANGED
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@@ -26,4 +26,24 @@
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# Matsuda: 1人
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```[Counter](https://note.nkmk.me/python-collections-counter/)を使う
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```[Counter](https://note.nkmk.me/python-collections-counter/)を使う
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***
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５行目が複雑ですが、
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```Python
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companies = [l[2] for l in lst if 30 <= int(l[1]) <= 39]
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# ↓
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companies = []
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for l in lst:
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if 30 <= int(l[1]) <= 39:
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companies.append(l[2])
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```と同じこと
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3
修正
test
CHANGED
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@@ -26,4 +26,4 @@
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# Matsuda: 1人
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```
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```[Counter](https://note.nkmk.me/python-collections-counter/)を使うと簡単
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2
修正
test
CHANGED
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@@ -4,33 +4,7 @@
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4
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lst =
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lst = # あなたのリスト
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"X.L. 32 MITSUOKA HIMIKO 33-64",
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"Z.Y. 56 TOYOTA C-HR 55-11",
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"M.F. 48 HONDA VEZEL 63-79",
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"P.Y. 28 DAIHATSU BOON 58-85",
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"H.C. 41 NISSAN X-TRAIL 33-52",
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"W.L. 32 TOYOTA C-HR 44-84",
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"Z.T. 44 NISSAN GT-R 34-49",
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"Z.E. 53 NISSAN GT-R 94-31",
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"E.P. 36 SUZUKI JIMNY 52-81",
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"O.X. 33 Matsuda CX-8 79-24",
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"E.T. 47 SUZUKI SOLIO 46-21",
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"D.N. 27 SUZUKI SOLIO 45-22",
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]
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lst = [s.split() for s in lst] # splitして２次元配列に
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1
修正
test
CHANGED
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@@ -5,14 +5,6 @@
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lst = [
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"T.T. 26 HONDA CR-V 76-74",
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"J.L. 25 MITSUBISHI OUTLANDER 31-92",
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"O.E. 57 MITSUBISHI DELICA 28-88",
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"P.C. 22 HONDA CR-V 13-89",
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"X.L. 32 MITSUOKA HIMIKO 33-64",
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@@ -40,24 +32,24 @@
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]
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lst = [s.split() for s in lst]
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lst = [s.split() for s in lst] # splitして２次元配列に
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companies = [l[2] for l in lst if 30 <= int(l[1]) <= 39]
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companies = [l[2] for l in lst if 30 <= int(l[1]) <= 39] # 30~39歳の人の会社のリスト
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counts = Counter(companies)
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counts = Counter(companies) # どの会社の車を何人の人が持っているか
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for k,v in counts.items():
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print(f"{k}: {v}人")
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print(f"{k}: {v}人") # 結果
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# MITSUOKA:1人
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# MITSUOKA: 1人
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# TOYOTA:1人
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# TOYOTA: 1人
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# SUZUKI:1人
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# SUZUKI: 1人
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# Matsuda:1人
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# Matsuda: 1人
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```
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