回答編集履歴
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修正
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@@ -1,4 +1,4 @@
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質問例のとおりにリストに格納する例です。
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2
2
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```Python
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3
3
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import pandas as pd
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4
4
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import numpy as np
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1
コード修正
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@@ -3,11 +3,12 @@
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3
3
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import pandas as pd
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4
4
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import numpy as np
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5
5
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6
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df = pd.DataFrame( np.arange(
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6
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df = pd.DataFrame( np.arange(40).reshape(-1,20)+1)
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7
7
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print(df)
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8
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# 0 1 2 3 4 5 6 7 8 9
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8
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# 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
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9
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#0 0 1 2 3 4 5 6 7 8 9
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10
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#1 10 11 12 13 14 15 16 17 18 19
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9
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#0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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10
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#1 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
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11
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11
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ret = df.apply(lambda r: sum(r[
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12
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ret = df.apply(lambda r: sum(r[2:5]) + sum(r[16:18]), axis=1).tolist()
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12
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print(ret) # [
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13
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print(ret) # [47, 147]
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```
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