Python中time库的使用(日期时间)

>>> import time
>>> time.time()
1655598609.7932513

>>> import time
>>> time.ctime()
'Sun Jun 19 08:31:03 2022'

>>> import time
>>> time.gmtime()
time.struct_time(tm_year=2022, tm_mon=6, tm_mday=19, tm_hour=0, tm_min=31, tm_sec=56, tm_wday=6, tm_yday=170, tm_isdst=0)

>>> import time
>>> time.strftime('%Y-%m-%d %H:%M:%S')
'2022-06-19 08:33:33

>>> import time
>>> print(time.strptime("2020-12-15","%Y-%m-%d"))
time.struct_time(tm_year=2020, tm_mon=12, tm_mday=15, tm_hour=0, tm_min=0, tm_sec=0, tm_wday=1, tm_yday=350, tm_isdst=-1)

>>> import time
>>> print(time.localtime())
time.struct_time(tm_year=2022, tm_mon=6, tm_mday=19, tm_hour=8, tm_min=39, tm_sec=36, tm_wday=6, tm_yday=170, tm_isdst=0)

#导入时间模块
import time
#求素数的程序
def is_prime(number):
   for i in range(2, number):
      if number % i == 0:
         return False
         return True
if __name__ == '__main__':
   number = 17377
   start_time = time.perf_counter()
   is_prime(number)
   end_time = time.perf_counter()
#按差异打印执行时间
print(end_time - start_time)