Convert period_range to list of string

user_11882601 0
Viewed 395

I have this

>>> start
'1905'
>>> end
'2003'
>>> p = pd.period_range(pd.to_datetime(start, format="%y%m"), pd.to_datetime(end, format="%y%m"), freq='M')
>>> p
PeriodIndex(['2019-05', '2019-06', '2019-07', '2019-08', '2019-09', '2019-10',
             '2019-11', '2019-12', '2020-01', '2020-02', '2020-03'],
            dtype='period[M]', freq='M')

I want to convert p to list of string which will contain period as

>>> p
['1905', '1906', '1907', '1908', '1909', '1910', '1911', '1912', '2001', '2002', '2003']

Format of string matters, it should be in same format as shown in eg('yymm') Can someone help me in achieving this cleanly?

pandas datetime python
1 Answers

You can use PeriodIndex.strftime with '%y%m' to indicate "YYMM" format:

p.strftime('%y%m')
# Index(['1905', '1906', '1907', '1908', '1909', '1910', '1911', '1912', '2001',
#        '2002', '2003'],
#       dtype='object')
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