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datafram combine 3 columns to datetime

from datetime import datetime
df['date']= df.apply(lambda x:datetime.strptime("{0} {1} {2}".format(x['year'],x['month'], x['day']), "%Y %m %d"),axis=1)
df.index= df['date']
Comment

datafram combine 3 columns to datetime

from datetime import datetime
df['date']= df.apply(lambda x:datetime.strptime("{0} {1} {2}".format(x['year'],x['month'], x['day']), "%Y %m %d"),axis=1)
df.index= df['date']
Comment

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