(데이터 분석)파이썬- datetime

import cx_Oracle as cx

# ----------------------- 예시 -----------------

# from pkg.lec08_class import UserClass

# u1 = UserClass('kim', 64)

# u1.userInfo(22)          # 주소u1 = 인스턴스함수

# UserClass.userPrint('아무개')      # 클래스함수

# # --------------------------------------------


# from datetime.py import datetime.class

# from datetime.py import date.class

# from datetime.py import datetime.class, date.class

from datetime import datetime, date

aa = date(year=2020, month=4, day=10)

aa = date(2020, 4, 10)

print(aa, type(aa))

# bb = datetime().strptime('2020/07/18', '%Y/%m/%d')

bb = datetime(year=2020, month=1, day=7, hour=0, minute=0, second=0)

bb = datetime(2020, 1, 7, 1, 20, 33)

print(bb, type(bb))

#---------------------아래것만 wkf써도 성공 --------------------
from datetime import datetime, date

aa = date(2020, 10, 1)

bb = datetime(2020, 10, 1)

cc = '2020-10-01'
#datetime.strptime(date_string='2020-01-01', format='%Y-%m-%d')
xx=datetime.strptime('2020-01-01','%Y-%m-%d')
zz=date.fromisoformat('2020-07-18') #시간 표시 X
#---------------------------------------------------------------
print(type(aa), type(bb), type(cc))

print(aa, bb, cc,xx,zz)

datetime 패키지는 파이썬으로 데이터 입력할 시, 날짜형식으로 저장하기 위해 활용된다.