Pour représenter la date, l'heure, l'heure et les secondes en Python

import datetime

now = datetime.datetime.now()
print(now)
print(now.isoformat())
print(now.strftime('%d/%m/%y-%H%M%S%f'))

today = datetime.date.today()
print(today.isoformat('%d/%m/%y'))

t = datetime.time(hour=1, minute=0,second=5,microsecond=100)
print(t)
print(t.isoformat())
print(t.strftime('%H%_M_%S_%f'))

print(now)
d = datetime.timedelete(weeks=1)
#d = datetime.timedelete(days=1)
#d = datetime.timedelete(hours=1)
#d = datetime.timedelete(minutes=1)
#d = datetime.timedelete(second=1)
#d = datetime.timedelete(microsecond=1) //Sélectionnez un argument
print(now-d)

import time
#pair print('###')
#time.sleep(10)
#pair print('###')
 import os
 import shutil

 file_name = 'test.txt'

 if os.path.exists(file_name):
     shutil.copy(file_name, "{}.{}".format(
     file_name, now.strftime('%Y_%m_%d_%H__%M_%S')))

with open(file_name, 'w') as f:
    f.write('test')

print(now)
d = datetime.timedelete(weeks=1)

print(now-d)

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