python add hyphen to string
> import datetime
> datetime.datetime.strptime('20110503','%Y%m%d').date().isoformat()
'2011-05-03'
#with pandas
c['date'] = pd.to_datetime(c['date'], format = '%Y%m%d')python add hyphen to string
> import datetime
> datetime.datetime.strptime('20110503','%Y%m%d').date().isoformat()
'2011-05-03'
#with pandas
c['date'] = pd.to_datetime(c['date'], format = '%Y%m%d')Copyright © 2021 Codeinu
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