import os
path='COVID-19-master/csse_covid_19_data/csse_covid_19_time_series'
confirmed_fn=os.path.join(path,'time_series_covid19_confirmed_global.csv')
confirmed_fn

'COVID-19-master/csse_covid_19_data/csse_covid_19_time_series/time_series_covid19_confirmed_global.csv'