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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116 Chapter 2
시작, 중지, 스텝
리스트는 시작, 중지, 스텝을 이해합니다
1
장에서 세 개의 인자를 갖는
range
함수를 살펴보면서 시작, 중지, 스텝을 사용했습니다.
‘
range
’
함수에
세 개의 인자를
지정했는데 각각의
인자는 시작, 중지,
스텝을 의미합니다.
범위를 지정할 때 시작, 중지, 스텝을 다음처럼 활용했던 사실을 기억하세요. 이를 리스트에
적용할 겁니다.
시작값은 어디에서 범위를 시작할지 제어합니다.
리스트에서 시작값은 시작할 인덱스 값을 의미합니다.
1
중지값은 range가 언제 끝날지 제어합니다.
리스트에서 중지값은 중지할 인덱스 값을 의미합니다. 이때 중지값은 범위에 포함되지 않습니다.
2
스텝값은 range 생성 방법을 제어합니다.
리스트에서 스텝값은 간격을 의미합니다.
3
시작, 중지, 스텝을 대괄호 내에 사용할 수 있습니다
리스트에서 시작, 중지, 스텝을 대괄호 내에 지정할 수 있으며 각각을 콜론(
:
)으로 구분합니다.
letters[
시작:중지:스텝
]
뭔가 이상하다고 생각할 수도 있지만 세 값을 함께 사용할 때 각각의 값은 선택사항입니다.
시작값이 없으면 기본값
0
을 갖습니다.
중지값이 없으면 리스트의 최댓값을 갖습니다.
스텝값이 없으면 기본값
1
을 갖습니다.
객체
객체
객체
객체
객체
리스트
0
1
2
3
4
시작, 중지, 스텝을
지원
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and much more.
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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.