December 2017
Beginner
624 pages
15h 38m
Korean
Content preview from Head First Python, 개정판 : 스스로 질문하며 답을 찾는 파이썬 학습서(Python 3)
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지금 여기예요
4
55
기초
언제 코드 블록을 실행할 것인지 결정하기
앞서
odds
라는 숫자 리스트를 만들었습니다. 그리고
right
_
this
_
minute
라는 분 값도
알고 있습니다.
right
_
this
_
minute
에 저장된 현재 분 값이 홀수인지 알아내려면 분이
odds
리스트에 있는 수인지 살펴봐야 합니다. 이 작업을 어떻게 할 수 있을까요?
파이썬에서는 이러한 작업을 아주 쉽게 수행할 수 있습니다. 파이썬은 일반적인 언어에서
제공하는
>
,
<
,
>=
,
<=
등의 연산자뿐 아니라 몇 가지 슈퍼 연산자를 제공하는데 그 중 하나가
in
입니다.
in
연산자는 어떤 것이 다른 것에 포함되어 있는지 확인합니다. 예제 프로그램의 다음 명령문을
살펴봅시다. 이 명령문은
in
연산자를 이용해
right
_
this
_
minute
의 값이
odds
리스트에
포함되는지 확인합니다.
...
right_this_minute = datetime.today().minute
if right_this_minute in odds:
print("This minute seems a little odd.")
...
in
연산자는 참 또는 거짓을 반환합니다. 예상했겠지만
right
_
this
_
minute
의 값이
odds
에
포함되면
if
명령문은 참이 되며,
if
문에 포함된 코드 블록이
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.