python datetime from isoformat

from datetime import datetime
my_date = datetime.now()
print(my_date.strftime('%Y-%m-%dT%H:%M:%S.%f%z'))

>>> # convert string in iso 8601 date dime format to python datetime type
>>> import datetime
>>> datetime.datetime.strptime('2020-06-19T15:52:50Z', "%Y-%m-%dT%H:%M:%SZ")
datetime.datetime(2020, 6, 19, 15, 52, 50)

>>> datetime.datetime.strptime("2008-09-03T20:56:35.450686Z", "%Y-%m-%dT%H:%M:%S.%fZ")

from datetime import datetime
my_date = datetime.now()
print(my_date.isoformat())

from dateutil import parser
yourdate = parser.parse(datestring)