May 2022
Beginner to intermediate
448 pages
13h 7m
Korean
book
밑바닥부터 시작하는 데이터 과학 데이터 분석을 위한 파이썬 프로그래밍과 수학·통계 기초
by Joel Grus, Hangyeol Kim, Seongju Ha, Eunjung Park
Content preview from 밑바닥부터 시작하는 데이터 과학 데이터 분석을 위한 파이썬 프로그래밍과 수학·통계 기초
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Data Science
148
10.3
Dataclasses
Dataclasses
는 마치
NamedTuple
의 가변적인 버전처럼 동작한다. (‘마치’라고
표현하는 이유는
NamedTuple
은 데이터를 튜플로 간결하게 표현하지만
data
classes
는 몇몇 메서드를 자동으로 생성해 주는 일반적인 파이썬 클래스이기 때
문이다.)
dataclasses는 파이썬 3.7부터 도입되었다. 이전 버전을 사용한다면 이 섹션의 내용은 동
작하지 않을 것이다.
문법은
NamedTuple
과 매우 유사하다. 하지만 베이스 클래스(
base
class
)에서 상
속을 받는 대신 데코레이터(
decorator
)를 사용한다.
from dataclasses import dataclass
@dataclass
class StockPrice2:
symbol: str
date: datetime.date
closing
_
price: float
def is
_
high
_
tech(self) -> bool:
"""
클래스이므로
메서드를
추가할
수
있다
."""
return self.symbol in ['MSFT', 'GOOG', 'FB', 'AMZN', 'AAPL']
price2 = StockPrice2('MSFT', datetime.date(2018, 12, 14), 106.03)
assert ...
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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.
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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.