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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프롬프트로 실험하면서 함수 내의 변수에 어떤 일이 일어나는지 살펴봅시다. 아래 코드를
따라하세요. 쉽게 따라할 수 있도록
1
부터
8
까지 순서를 매겼습니다.
함수 스위트 안에서 변수를 선언하면 그 변수는 함수가 실행되는 동안에만 존재합니다. 이는
변수가
‘
존재 범위 안
’
에 있는 상태로, 함수 스위트 내에서 볼 수 있고 사용할 수 있는 상태입니다.
하지만 함수가 끝나면 함수 안에서 정의한 변수는 소멸됩니다. 즉, 이들은
‘
범위 밖
’
의 상태로,
인터프리터는 이들 변수에 사용된 모든 자원을 회수합니다.
soundbite
함수 안에 선언된 세 개의 변수에 이런 일이 일어납니다. 함수가 종료되면
insider
,
outsider
,
from
_
outside
는 소멸됩니다. 스위트 밖에서 이들 변수에
접근하려 시도하면, 즉 함수의 범위 밖에서 접근을 시도하면
NameError
가 발생합니다.
1.
‘
soundbite
’
함수는 하나의 인자를
받아요.
2. 함수 안의
변수에 값을
할당해요.
3. 인자를 함수 안의
다른 변수에 할당해요.
4. 함수의
변수를 이용해
메시지를
출력해요.
5.
‘
name
’
이라는 변수에
값을 할당해요.
6.
‘
soundbite
’
함수를
호출해요.
7. soundbite
호출 결과를 출력한
후에도
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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.