December 2022
Intermediate to advanced
208 pages
4h 44m
Japanese
Content preview from Python2年生 デスクトップアプリ開発のしくみ 体験してわかる！会話でまなべる！
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
Chapter
3
68
それでは、「計算アプリ」を作っていこう。
やったー。
その前に、「アプリを作るときに便利な機能」を 解説しておこう
なになに？
アプリは、結果を表示させることが多いけど、このときに便利なのが
「フォーマット済み文字列リテラル」だ。略して「
f
文字列」とも言うよ。
なんか、ややこしい名前だね。
処理の結果は変数に入っているけど、その変数の値をそのまま表示し
てもわかりにくいから、説明の文字列を前後に足して読みやすくでき
るんだ。
「
"
こんにちは、
"+values["in"]+"
さん！
"
」みたいなこと？
そうそう。そして
f
文字列を使えば、文字列の足し算がいらなくなる
んだ。変数の値を、文字列の中に埋め込んでしまえるんだよ。
08
LESSON
f 文字列を使うと、結果をイメージしやすい文字列を作ることができます。
いろいろな使い方を学びましょう。
変数で文字列を作るなら、
f
文字列が便利
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.