Pandas operation memorandum

I don't want to stumble at the same place, so I write a memo.

Ignore index and add column

df_1 = df_1.reset_index(drop=True)
df_2['xxx'] = df_1['xxx']

Reason

Forced column name conversion

.py


df.columns = ['aaa', 'bbb', 'ccc', ...]

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