time

import os

metadata = os.stat('<file_name>') # return an object that contains several different types of metadata about the file

metadata.st_mtime # modification time

time.localtime(metadata.st_mtime) # time.localtime() converts a time value from seconds-since-the-Epoch # time.struct_time(tm_year=2009, tm_mon=7, tm_mday=13, tm_hour=17, tm_min=25, tm_sec=44, tm_wday=0, tm_yday=194, tm_isdst=1)

ts = time.time()
te = time.time()
time.sleep(1) # 1 sec