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！
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69
LESSON
08
変数で文字列を作るなら、
f
文字列が便利
へー。
さっきのは、
f
文字列で「
f"
こんにちは、
{values["in"]}
さん！
"
」と
書けるんだ。
あんまり短くなってないよ。
長さはそんなに変わらないけど、「イメージしやすくなる」のがメリッ
トなんだ。具体的な例で見ていこう。
f"{}"
f
文字列テ ス ト（ 文字列、整数を埋め込む）
f
文字列では、①まず文字列の前に「
f
」を書く。
頭に「
f
」をつけるのね。
②文字列の中の変数名を埋め込みたいところに、波括弧で変数名を囲
んで書く。これで、「
{
変数名
}
」が「値」に置き換わるんだよ。変数のデー
タ型はなんでも大丈夫。整数や小数やリストでも文字列になるんだ。
へ〜。「
{
変数名
}
」の 部分が、「ここは値に変わりますよ」というしる
しなのね。
例として、「変数aに文字列、変数bに整数を入れて、それを文字列に埋め込んで表示する
プログラム」を作ってみましょう。次のプログラムを入力して、実行してください。
書式：f 文字列の書き方
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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.
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.