from datetime import datetime
from datetime import timedelta
now = datetime.now()
delta = datetime(2017,10,1) - datetime(2017,8,24,10,0)
delta.days
delta.seconds
start = datetime(2017,10,1) + timedelta(30)
pd.to_datetime('20171201')
pd.to_datetime('2017-12-01')
pd.to_datetime('2017/12/01')
pd.date_range('20171201','20180301',freq = 'BM') - timedelta(2, 3600*10)
pd.date_range(start = '20171201', periods = 20)
pd.date_range(end = '20171201', periods = 20)
ts.resample('M'|'A').mean()
pd.to_datetime(tj.date)
tj.set_index('date')
tj[['close','ds']].plot(subplots = True, figsize = (12,6))
