import time

time_str = time.strftime("%Y_%m_%d", time.localtime())
print(time_str)

20ef4acc5cfc22545d9305f3b87bd8e53fdd9a45
<mask token>

<mask token>
print(time_str)

<mask token>
time_str = time.strftime('%Y_%m_%d', time.localtime())
print(time_str)

import time
time_str = time.strftime('%Y_%m_%d', time.localtime())
print(time_str)

import time

time_str = time.strftime("%Y_%m_%d", time.localtime())
print(time_str)
