回答編集履歴
1
Update
test
CHANGED
@@ -23,7 +23,7 @@
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#
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diff = (
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df_old.merge(df_new, indicator=True, how='outer')
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-
.query('_merge=="right_only"')[
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+
.query('_merge=="right_only"')[df_old.columns])
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print(diff)
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#
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