# 时间序列和常用操作 import pandas as pd # 每隔五天--5D pd.date_range(start = '',end = '',freq = '5D') ''' DatetimeIndex(['2020-01-01', '2020-01-06', '2020-01-11', '2020-01-16', '2020-01-21', '2020-01-26', '2020-01-31'], dtype='datetime64[ns]', freq='5D') ''' # 每…