回答編集履歴
1
minor fix
test
CHANGED
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@@ -13,8 +13,6 @@
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13
13
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df2 = pd.read_csv('B.csv')
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14
14
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15
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16
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-
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17
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-
df1.merge(df2, on=['date', 'currency'], how='inner')
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df3 = df1.merge(df2, on=['date', 'currency'], how='inner')
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20
18
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