[python] convert string date to timestamp

>>> import time
>>> import datetime
>>> s = "01/12/2011"
>>> time.mktime(datetime.datetime.strptime(s, "%d/%m/%Y").timetuple())
1322697600.0

https://stackoverflow.com/questions/9637838/convert-string-date-to-timestamp-in-python

Convert string date to timestamp in Python

https://www.delftstack.com/ko/howto/python/how-to-convert-string-to-datetime/

파이썬에서 문자열을 날짜 / 시간으로 변환하는 방법