import datetime
dt = datetime.datetime.now()
FIELDS = ['year', 'month', 'day',
'hour', 'minute', 'second',
'microsecond',]
for f in FIELDS:
print('{:11}: {}'.format(f, getattr(dt, f)))
'''
run:
year : 2019
month : 6
day : 6
hour : 13
minute : 55
second : 40
microsecond: 256390
'''