시간(datetime, timeit, time)

datetime

• 날짜와 시간관련 패키지

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datetime.datetime

• 연-월-일 시:분:초

객체 생성하기

• datetime.datetime.now() -> datetime.datetime : 현재 시간으로 datetime.datetime 객체 생성

properties

• month, day, year
• hour, minute, second

methods

• strftime(format:str) : 포매팅한 문자열 리턴

from datetime import datetime

# datetime.datetime(2022, 3, 20, 16, 44, 44, 917812)
now = datetime.now()

# '2022-03-20 16:44:44'
now.strftime('%Y-%m-%d %H:%M:%S')

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timeit

• This module provides a simple way to time small bits of Python code

timeit.default_timer

import timeit

start = timeit.default_timer() # 766623.8286926

duration = timeit.default_timer() - start # 소요 시간

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time

• module

methods

time

• time.time() -> float

localtime

• time.localtime() -> struct_time
• struct_time : year, month, day, hour, min, second 등의 정보를 가짐

perf_counter

• performance counter
• perf_counter() -> float

sleep

• time.sleep(n) : n초 동안 sleep

mktime

• time.mktime(t:struct_time) -> float : 초단위

from time import time, perf_counter, sleep
start = time() # 1649498520.4273095


end = time()

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References

• timeit